/*location.hash = 'top';*/
/*window.onload = show_loading_time;*/
function smenu(){
document.getElementById('st').innerHTML='<table class="tbl_menu" border="0" cellspacing="0" cellpadding="0"><tr><td>&#160;</td><td id="mm_item_1"><h1 onmouseover="show_submenu_(1)" onmouseout="hide_submenu_(1)">DOCS</h1></td><td id="mm_item_111"><h1 onmouseover="show_submenu_(111)" onmouseout="hide_submenu_(111)">MATL</h1></td><td id="mm_item_2"><h1 onmouseover="show_submenu_(2)" onmouseout="hide_submenu_(2)">SOC</h1></td><td id="mm_item_3"><h1 onmouseover="show_submenu_(3)" onmouseout="hide_submenu_(3)">PIPE</h1></td><td id="mm_item_4"><h1 onmouseover="show_submenu_(4)" onmouseout="hide_submenu_(4)">FLANGES</h1></td><td id="mm_item_5"><h1 onmouseover="show_submenu_(5)" onmouseout="hide_submenu_(5)">FITTINGS</h1></td><td id="mm_item_6"><h1 onmouseover="show_submenu_(6)" onmouseout="hide_submenu_(6)">VALVES</h1></td><td id="mm_item_7"><h1 onmouseover="show_submenu_(7)" onmouseout="hide_submenu_(7)">EQPT</h1></td><td id="mm_item_8"><h1 onmouseover="show_submenu_(8)" onmouseout="hide_submenu_(8)">SPECIALS</h1></td><td id="mm_item_9"><h1 onmouseover="show_submenu_(9)" onmouseout="hide_submenu_(9)">STEEL</h1></td><td id="mm_item_10"><h1 onmouseover="show_submenu_(10)" onmouseout="hide_submenu_(10)">DIN</h1></td><td id="mm_item_112"><h1 onmouseover="show_submenu_(112)" onmouseout="hide_submenu_(112)">STEAM</h1></td><td id="mm_item_11"><h1 onmouseover="show_submenu_(11)" onmouseout="hide_submenu_(11)">OTHERS</h1></td><td>&#160;</td></tr><tr><td>&#160;</td><td><div id="submenu_1" onmouseover="show_submenu_(1)" onclick="hide_submenu_(1)" onmouseout="hide_submenu_(1)"><h2>Piping Coordination Systems</h2><p><a href="documents/coordination_part1.html">Dimensioning from Reference Points</a></p><p><a href="documents/coordination_part2.html">Plot Plan</a></p><p><a href="documents/coordination_part3.html">Piping Arrangement</a></p><p><a href="documents/pid.html">Piping and Instrument Diagrams (P&#38;ID)</a></p><p><a href="documents/isometric.html">Piping Isometrics (Iso&#39;s)</a></p><h2>Engineering Standards</h2><p><a href="documents/engineering_standards_what_are.html">Foreword - Engineering Standards</a></p><p><a href="documents/engineering_standard_part1.html">Piping Material Specifications (15 pages)</a></p><p><a href="documents/plc150.html">Pipe Specification and Piping Line Class</a></p><h2>Drawing Symbols</h2><p><a href="documents/symbols_pid.html">Symbols for P&#38;ID&#39;s</a></p><p><a href="documents/symbols_iso.html">Symbols for Isometric drawings</a><p><a href="documents/symbols_heatexchanger.html">Symbols for Heat Exchangers on P&#38;ID</a><p><a href="documents/symbols_bw_sw_th.html">Symbols for Piping Arrangements</a></p></div></td><td><div id="submenu_111" onmouseover="show_submenu_(111)" onclick="hide_submenu_(111)" onmouseout="hide_submenu_(111)"><h2>Corrosion</h2><p><a href="materials/corrosion.html">Corrosion general</a></p><p><a href="materials/corrosion_cui.html">Corrosion Under Insulation (CUI)</a></p><p><a href="materials/corrosion_allowance.html">Corrosion Allowance</a></p><h2>Material Specification</h2><p><a href="materials/mat_spec.html">ASTM-Werkstoffnummer-DIN</a></p></div></td><td><div id="submenu_2" onmouseover="show_submenu_(2)" onclick="hide_submenu_(2)" onmouseout="hide_submenu_(2)" style="width:300px"><h2>American Society of Mechanical Engineers</h2><p><a href="societies/asme_part1.html">What is ASME</a></p><p><a href="societies/asme_part2.html">ASME B31.3 - Process Piping</a></p><p><a href="societies/asme_part3.html">Standards defined on this website</a></p><h2>American Society for Testing and Materials</h2><p><a href="societies/astm_part1.html">What is ASTM International</a></p><p><a href="societies/astm_part2.html">Pipes, Tubes and Fittings Standards</a></p><p><a href="societies/astm_part3.html">Castings and Forgings Standards</a></p><p><a href="societies/astm_part4.html">Plate, Sheet, Strip and Wire Standards</a></p><p><a href="societies/astm_part5.html">Standards defined on this website</a></p><h2>Collaboration between ASME and ASTM</h2><p><a href="societies/asme_astm.html">ASTM A... OR ASME SA...</a></p><h2>Manufacturers Standardization Society</h2><p><a href="societies/mss_part1.html">What is MSS</a></p><p><a href="societies/mss_part2.html">MSS Standards</a></p><h2>American Petroleum Institute (API)</h2><p><a href="societies/api_part1.html">Who is API</a></p></div></td><td><div id="submenu_3" onmouseover="show_submenu_(3)" onclick="hide_submenu_(3)" onmouseout="hide_submenu_(3)" style="width:300px"><h2>Definition and Details of Pipes</h2><p><a href="pipes/pipe_part1.html">Definition of Pipe</a></p><p><a href="pipes/pipe_part2.html">NPS and Schedule</a></p><p><a href="pipes/pipe_part3.html">Fabrication, Lengths and Ends</a></p><p><a href="pipes/pipe_part4.html">Materials acc. to ASTM</a></p><h2>Dimensions and Weights of steel pipes<br />acc. to ASME B36.10M / ASME B36.19M</h2><p><a href="pipes/dim_pipes.html">NPS 1/2 up to NPS 24</a></p><p><a href="pipes/dim_pipes_b.html">NPS 5 up to NPS 14</a></p><p><a href="pipes/dim_pipes_c.html">NPS 16 up to NPS 24</a></p><p><a href="pipes/dim_pipes_large.html">NPS 26 up to NPS 48</a></p><h2>Dimensions and Weights of steel pipes<br />acc. to ASTM A53/A53M</h2><p><a href="pipes/dim_pipes_a53_1.html">NPS 1/8 up to NPS 1 1/2</a></p><p><a href="pipes/dim_pipes_a53_2.html">NPS 2 up to NPS 3 1/2</a></p><p><a href="pipes/dim_pipes_a53_3.html">NPS 4 up to NPS 6</a></p><p><a href="pipes/dim_pipes_a53_4.html">NPS 8 up to NPS 12</a></p><p><a href="pipes/dim_pipes_a53_5.html">NPS 14 up to NPS 18</a></p><p><a href="pipes/dim_pipes_a53_6.html">NPS 20 up to NPS 26</a></p></div></td><td><div id="submenu_4" style="width:670px; margin-left:-181px" onmouseover="show_submenu_(4)" onclick="hide_submenu_(4)" onmouseout="hide_submenu_(4)"><table style="width:670px" border="0" cellspacing="0" cellpadding="0"><tr><td><h2>Definition and Details of Flanges</h2><p><a href="flanges/flanges_general_part1.html">Flanges general</a></p><p><a href="flanges/flanges_general_part2.html">Pressure Class</a></p><p><a href="flanges/flanges_general_part3.html">Flanges types</a></p><p><a href="flanges/flanges_general_part4.html">Bolt Hole Orientation</a></p><p><a href="flanges/flanges_general_part5.html">Flanges faces</a></p><p><a href="flanges/flanges_general_part6.html">Flange Face Finish</a></p><p><a href="flanges/flanges_general_part7.html">Gaskets and Bolts</a></p><p><a href="flanges/flanges_general_part9.html">Torque Tightening</a></p><p><a href="flanges/flanges_general_part10.html">Bolt Tensioning</a></p><p><a href="flanges/flanges_general_part8.html">Materials acc. to ASTM</a></p><h2>Special Flanges</h2><p><a href="flanges/flanges_special_part1.html">Orifice Flanges and Plates</a></p><p><a href="flanges/flanges_special_part2.html">Spectacle blind-spades-spacers</a></p><p><a href="flanges/flanges_special_part3.html">LWN-Weldo-Exp-Red Flanges</a></p></td><td>&#160;&#160;</td><td><h2>Dimensions and Tolerances</h2><p><a href="flanges/dim_flg_wn.html">Welding Neck Flanges</a></p><p><a href="flanges/dim_flg_so.html">Slip On flanges</a></p><p><a href="flanges/dim_flg_sw.html">Socket Weld Flanges</a></p><p><a href="flanges/dim_flg_lj.html">Lap Joint Flanges</a></p><p><a href="fittings/dim_stubends_ss.html">- Stub Ends (MSS SP-43)</a></p><p><a href="fittings/dim_stubends_cs.html">- Stub Ends (ASME B16.9)</a></p><p><a href="flanges/dim_flg_th.html">Threaded Flanges</a></p><p><a href="flanges/dim_flg_bl.html">Blind Flanges</a></p><p><a href="flanges/dim_specblinds.html">Spectacle Blinds</a></p><p><a href="flanges/dim_spades.html">Spades and Ring Spacers</a></p><h2>Dim Weld Neck &#38; Blind Flanges<br />acc. to ASME B16.47</h2><p><a href="flanges/dim_1647_a.html">NPS 26 up to NPS 60 Series A</a></p><p><a href="flanges/dim_1647_b.html">NPS 26 up to NPS 60 Series B</a></p></td><td>&#160;&#160;</td><td><h2>Dimensions Orifice Flanges RF</h2><p><a href="flanges/dim_flg_orifice_300_wn.html">WN 300 Lbs NPS 1 - NPS 24</a></p><p><a href="flanges/dim_flg_orifice_600_rf.html">WN 600 Lbs NPS 1 - NPS 24</a></p><p><a href="flanges/dim_flg_orifice_900_rf.html">WN 900 Lbs NPS 1 - NPS 24</a></p><p><a href="flanges/dim_flg_orifice_1500_rf.html">WN 1500 Lbs NPS 1 - NPS 24</a></p><p><a href="flanges/dim_flg_orifice_2500_rf.html">WN 2500 Lbs NPS 1 - NPS 12</a></p><h2>Dimensions Orifice Flanges RTJ</h2><p><a href="flanges/dim_flg_orifice_600_rtj.html">WN 600 Lbs NPS 1 - NPS 24</a></p><p><a href="flanges/dim_flg_orifice_900_rtj.html">WN 900 Lbs NPS 1 - NPS 24</a></p><p><a href="flanges/dim_flg_orifice_1500_rtj.html">WN 1500 Lbs NPS 1 - NPS 24</a></p><p><a href="flanges/dim_flg_orifice_2500_rtj.html">WN 2500 Lbs NPS 1 - NPS 12</a></p></td></tr></table></div></td><td><div id="submenu_5" style="width:750px; margin-left:-220px" onclick="hide_submenu_(5)" onmouseover="show_submenu_(5)" onmouseout="hide_submenu_(5)"><table style="width:750px" border="0" cellspacing="0" cellpadding="0"><tr><td><h2>Details and types of Buttweld Fittings</h2><p><a href="fittings/buttweld_fittings_part1.html">Buttweld Fittings General</a></p><p><a href="fittings/buttweld_fittings_part2.html">Elbows 45&#176;-180&#176;</a></p><p><a href="fittings/buttweld_fittings_part3.html">Tees Straight-Reducing</a></p><p><a href="fittings/buttweld_fittings_part4.html">Reducer-Cap-Stubs-Swages</a></p><p><a href="fittings/buttweld_fittings_part5.html">Materials acc. to ASTM</a></p><h2>Dimensions Buttweld Fittings</h2><p><a href="fittings/dim_elbows_a.html">Elbows 45&#176;/90&#176; LR</a></p><p><a href="fittings/dim_elbows_b.html">Elbows 90&#176; SR</a></p><p><a href="fittings/dim_elbows_c.html">Elbows 180&#176; LR/SR</a></p><p><a href="fittings/dim_caps.html">End Caps</a></p><p><a href="fittings/dim_reducers.html">Reducers Concentric-Eccentric</a></p><p><a href="fittings/dim_tees_eq.html">Tees Straight</a></p><p><a href="fittings/dim_tees_red.html">Tees Reducing</a></p><h2>Dimensionns Lap Joint Stub Ends</h2><p><a href="fittings/dim_stubends_ss.html">Stub Ends (MSS SP-43)</a></p><p><a href="fittings/dim_stubends_cs.html">Stub Ends (ASME B16.9)</a></p></td><td>&#160;&#160;</td><td><h2>Threaded Fittings general</h2><p><a href="fittings/threaded_general.html">Definition and Details</a></p><h2>Dimensions Threaded Fittings</h2><p><a href="fittings/dim_thd_elbows.html">Elbows 90&#176; / 45&#176;</a></p><p><a href="fittings/dim_thd_tees.html">Tees and Crosses</a></p><p><a href="fittings/dim_thd_street_elbows.html">Street Elbows</a></p><p><a href="fittings/dim_thd_couplings.html">Full and Half-Couplings</a></p><p><a href="fittings/dim_thd_caps.html">Caps</a></p><p><a href="fittings/dim_thd_bushings.html">Hex Head Bushings</a></p><p><a href="fittings/dim_thd_plugs.html">Plugs</a></p><h2>Socket Weld Fittings general</h2>Definition and Details<p><a href="fittings/socket_weld_general.html">Definition and Details</a></p><h2>Dimensions Socket Weld Fittings</h2><p><a href="fittings/dim_sw_elbows.html">Elbows 90&#176; / 45&#176;</a></p><p><a href="fittings/dim_sw_tee_cross.html">Tees and Crosses</a></p><p><a href="fittings/dim_sw_coupling.html">Couplings and Half-Couplings</a></p><p><a href="fittings/dim_sw_red_coupling.html">Reducing Couplings</a></p><p><a href="fittings/dim_sw_caps.html">Caps</a></p></td><td>&#160;&#160;</td><td><h2>Dimensions Weldolets&#174;</h2><p><a href="fittings/dim_weldolet_sos.html">NPS 1/2 up to NPS 24 Size on Size</a></p><p><a href="fittings/dim_weldolet_red.html">NPS 3/4 up to NPS 20 Reducing</a></p><h2>Dimensions Sockolets&#174;</h2><p><a href="fittings/dim_sockolet.html">Pressure Class 3000 and 6000 Lbs</a></p><h2>Dimensions Thredolets&#174;</h2><p><a href="fittings/dim_thredolet.html">Pressure Class 3000 and 6000 Lbs</a></p></td></tr></table></div></td><td><div id="submenu_6" style="width:300px" onmouseover="show_submenu_(6)" onclick="hide_submenu_(6)" onmouseout="hide_submenu_(6)"><h2>Introduction to Valves</h2><p><a href="valves/valves_general.html">Valves General</a></p><h2>Types of Valves and Details</h2><p><a href="valves/valves_gate.html">Gate Valve</a></p><p><a href="valves/valves_globe.html">Globe valve</a></p><p><a href="valves/valves_ball.html">Ball valve</a></p><p><a href="valves/valves_plug.html">Plug valve</a></p><p><a href="valves/valves_butterfly.html">Butterfly valve</a></p><p><a href="valves/valves_check.html">Check valve</a></p><p><a href="valves/valves_bellows_sealed.html">Bellows sealed valves</a></p><h2>Face to Face dimensions of flanged Valves</h2><p><a href="valves/dim_valves_ff.html">Pressure Class 150 up to 2500 Lbs</a></p><h2>Block and Bleed</h2><p><a href="valves/valves_dbb.html">Introduction to block &#38; bleed</a></p><h2>Process Safety</h2><p><a href="valves/valves_pressure_relief.html">Pressure Relief Valve</a></p><p><a href="valves/valves_rupture_disk.html">Rupture Disks</a></p></div></td><td><div id="submenu_7" onmouseover="show_submenu_(7)" onclick="hide_submenu_(7)" onmouseout="hide_submenu_(7)"><h2>Heat Transfer by Heat Exchangers</h2><p><a href="equipment/heatexchanger_part1.html">Heat Transfer general</a></p><p><a href="equipment/heatexchanger_part2.html">Shell and Tube</a></p><p><a href="equipment/heatexchanger_part3.html">Tubes and Tubesheet</a></p><p><a href="equipment/heatexchanger_part4.html">Shell Assembly</a></p><p><a href="equipment/heatexchanger_part5.html">TEMA Designations</a></p><h2>Plate Heat Exchangers</h2><p><a href="equipment/plateheatexchanger.html">Summary of this type of heat exchanger</a></p><h2>Pumps</h2><p><a href="equipment/pumps_general.html">Pumps general</a></p><p><a href="equipment/pumps_centrifugal.html">Centrifugal Pump</a></p><p><a href="equipment/pumps_positive_displacement.html">Positive Displacement Pumps</a></p><h2>Storage Tanks</h2><p><a href="equipment/storage_tanks_vessels_general.html">What are storage tanks ?</a></p><p><a href="equipment/storage_tanks_safety.html">Safety considerations for storage tanks</a></p><p><a href="equipment/flame_arrester.html">Flame Arresters</a></p></div></td><td><div id="submenu_8" onmouseover="show_submenu_(8)" onclick="hide_submenu_(8)" onmouseout="hide_submenu_(8)"><h2>Special Fittings</h2><p><a href="specials/lokring.html">Lokring&#174; Fittings</a></p><p><a href="specials/victaulic.html">Victaulic&#174; pipe joining systems</a></p><h2>Quick Connectors</h2><p><a href="specials/quick_couplings.html">Cam Lock &#38; Chicago couplings</a></p><h2>Special Components</h2><p><a href="specials/expansion_joint.html">Expansion Joints</a></p><h2>Special Technics</h2><p><a href="specials/branch_reinforced.html">Reinforced Branch Connection</a></p><p><a href="specials/hottap.html">Hot Tapping and Line Stopping</a></p></div></td><td><div id="submenu_9" style="width:300px" onmouseover="show_submenu_(9)" onclick="hide_submenu_(9)" onmouseout="hide_submenu_(9)"><h2>Steel Structures in a Process Plant</h2><p><a href="steel/piperacks.html">Pipe Racks</a></p><h2>Pipe Supports in a Process Plant</h2><p><a href="steel/pipesupports.html">Pipe Supports general</a></p><p><a href="steel/pipesupports_parts.html">Parts of Pipe Supports</a></p><p><a href="steel/pipesupports_spacing.html">Pipe Support Spacing</a></p><h2>Dimensions Steel Beams according to<br />European standard NEN-EN 10025-1/2</h2><p><a href="steel/dim_hea.html">HEA Beams</a></p><p><a href="steel/dim_heb.html">HEB Beams</a></p><p><a href="steel/dim_hem.html">HEM Beams</a></p><p><a href="steel/dim_ipe_inp.html">IPE and INP Beams</a></p><p><a href="steel/dim_unp_upe.html">UNP and UPE Beams</a></p><p><a href="steel/dim_angle_eq.html">Angle Steel equal</a></p><p><a href="steel/dim_angle_uneq.html">Angle Steel unequal</a></p><p><a href="steel/dim_tee.html">Tee Steel equal/unequal</a></p><p><a href="steel/dim_round_square.html">Round and Square Steel</a></p><p><a href="steel/dim_flat.html">Flat Steel</a></p></div></td><td><div id="submenu_10" onmouseover="show_submenu_(10)" onclick="hide_submenu_(10)" onmouseout="hide_submenu_(10)"><h2>Deutsches Institut f&uuml;r Normung (DIN)</h2><p><a href="din/din_about.html">About Deutsches Institut f&uuml;r Normung</a></p><p><a href="din/iso_en_din.html">ISO - EN - DIN ?</a></p><h2>Dimensions</h2><p><a href="din/dim_wn_flg_pn10.html">Welding Neck Flange Type 11, PN10</a></p><p><a href="din/dim_wn_flg_pn16.html">Welding Neck Flange Type 11, PN16</a></p><p><a href="din/dim_wn_flg_pn25.html">Welding Neck Flange Type 11, PN25</a></p><p><a href="din/dim_wn_flg_pn40.html">Welding Neck Flange Type 11, PN40</a></p><p><a href="din/dim_wn_flg_pn63.html">Welding Neck Flange Type 11, PN63</a></p><p><a href="din/dim_wn_flg_pn100.html">Welding Neck Flange Type 11, PN100</a></p><p><a href="din/dim_wn_flg_pn160.html">Welding Neck Flange Type 11, PN160</a></p><p><a href="din/dim_wn_flg_pn250.html">Welding Neck Flange Type 11, PN250</a></p><p><a href="din/dim_wn_flg_pn320.html">Welding Neck Flange Type 11, PN320</a></p><p><a href="din/dim_wn_flg_pn400.html">Welding Neck Flange Type 11, PN400</a></p></div></td><td><div id="submenu_112" onmouseover="show_submenu_(112)" onclick="hide_submenu_(112)" onmouseout="hide_submenu_(112)"><h2>Steam and Condensate</h2><p><a href="steam/steam_part1.html">Steam - The Energy Fluid</a></p><p><a href="steam/steam_part2.html">A basic overview of a steam system</a></p><p><a href="steam/steam_part3.html">What is steam ?</a></p><p><a href="steam/steam_part3.1.html">What is condensate ?</a></p><h2>Steam traps</h2><p><a href="steam/steam_part4.html">What are and why steam traps ?</a></p><p><a href="steam/steam_part5.html">Thermostatic steam traps</a></p><p><a href="steam/steam_part6.html">Mechanical steam traps</a></p><p><a href="steam/steam_part7.html">Thermodynamic steam traps</a></p><h2>Steam distribution</h2><p><a href="steam/steam_part8.html">Steam distribution system</a></p><p><a href="steam/steam_part9.html">Pipes and pipe sizing</a></p><p><a href="steam/steam_part10.html">Pipe expansion and supports</a></p><h2>Steam Tables</h2><p><a href="steam/steam_tables.html">Available Steam Tables</a></p></div></td><td><div id="submenu_11" style="width:750px; margin-left:-600px" onmouseover="show_submenu_(11)" onclick="hide_submenu_(11)" onmouseout="hide_submenu_(11)"><table style="width:750px" border="0" cellspacing="0" cellpadding="0"><tr><td><h2>Welding general</h2><p><a href="others/welding_proc.html">Welding Procedures</a></p><p><a href="others/welding_joints.html">Basic Welding Joints</a></p><p><a href="others/welding_tig.html">TIG Welding</a></p><p><a href="others/welding_mig.html">MIG Welding</a></p><p><a href="others/welding_electrode.html">Electrode Welding</a></p><h2>Bolts and Nuts</h2><p><a href="others/studs.html">Stud Bolts General</a></p><p><a href="others/dim_studs.html">Dimension Stud Bolts ASME B16.5</a></p><p><a href="others/studs_calc.html">Calculating Stud Bolt Lengths</a></p><h2>Non destructive testing</h2><p><a href="others/ndt_eddy_current.html">Eddy Current testing</a></p><p><a href="others/ndt_pressure_testing.html">Pressure testing</a></p><p><a href="others/ndt_pressure_testing_equipment.html">Pressure testing equipment</a></p><p><a href="others/ndt_pressure_testing_practice.html">Pressure testing in practice</a></p></td><td><h2>Gaskets general</h2><p><a href="others/gaskets.html">Flange Gaskets general</a></p><h2>Gaskets dimensions NPS &#189; - 24<br />ASME B16.20 / B16.21 / B16.5</h2><p><a href="others/dim_gaskets_fl.html">Non-Metallic Flat Gaskets</a></p><p><a href="others/dim_gaskets_sw.html">Spiral Wound Gaskets</a></p><p><a href="others/dim_gaskets_gr.html">Grooved Gaskets (Camprofile)</a></p><p><a href="others/dim_gaskets_ja.html">Metal-Jacketed Gaskets</a></p><h2>Gaskets dimensions NPS 26 - 60<br />ASME B16.20 / B16.21 / B16.47</h2><p><a href="others/dim_gaskets_fl_series_a.html">Non-Metallic Gaskets Series A</a></p><p><a href="others/dim_gaskets_sw_series_a.html">Spiral Wound Gaskets Series A</a></p><p><a href="others/dim_gaskets_fl_series_b.html">Non-Metallic Gaskets Series B</a></p><p><a href="others/dim_gaskets_sw_series_b.html">Spiral Wound Gaskets Series B</a></p><h2>RTJ gasket dimensions and<br />tolerances ASME B16.20</h2><p><a href="others/dim_gaskets_r_rtj.html">Type R ASME B16.5 / B16.47</a></p></td><td><h2>Fossils into fuels</h2><p><a href="others/fossil_fuels.html">Introduction to fossil fuels</a></p><p><a href="others/oil_and_gas_exploration.html">Exploration of oil and gas</a></p><p><a href="others/oil_and_gas_well_drilling.html">Oil and gas extraction</a></p><p><a href="others/oil_and_gas_transportation.html">Transportation and Storage</a></p><p><a href="others/petroleum_refining_processes.html">Petroleum Refining Processes</a></p><p><a href="others/oil_glossary.html">Facts from the OIL industry</a></p><p><a href="others/oil_and_gas_prices.html">Actual Crude Oil prices</a></p><p><a href="others/oil_reserves.html">Current global Oil reserves</a></p><p><a href="others/oil_age.html">The end of the Oil age</a></p></td></tr></table></div></td><td>&#160;</td></tr></table>';hide_link_borders();}


/*eventueele combobox tonen, borders rond links uitzetten*/
function showAll(){
show_combo();
hide_link_borders();}
/*combodia staat standaard 'style.visibility='hidden'
en wordt pas na het compleet opstarten van een pagina zichtbaar gemaakt*/
/*setTimeout("document.getElementById('panel_5').style.display = 'block';",100);}}*/

/*combobox zichtbaar en onzichtbaar maken als op de pagina aanwezig*/
function hide_combo()
{if(document.getElementById("combodia"))
document.getElementById('combodia').style.visibility='hidden';}

function show_combo()
{if(document.getElementById("combodia"))
document.getElementById('combodia').style.visibility='visible';}

/*rand om links verwijderen*/
function hide_link_borders(){
if(document.getElementsByTagName) {
var a = document.getElementsByTagName("a");
/*collect all links A*/
for(var i = 0; i < a.length; i++){
/*mouse onfocus, blur link borders*/
a[i].onfocus = function(){this.blur();};}}}

/*only number allowed*/
function isNumberKey(evt){
var charCode = (evt.which) ? evt.which : event.keyCode
if (charCode > 31 && (charCode < 48 || charCode > 57))
return false;
return true;}

/*tik text*/
function txt_anim(){
_interval=60; // pauze tussen twee karakters in milliseconden
if(document.getElementById){
text=document.getElementById("tik_tik");
if(text.innerHTML){buffer="";txt_counter=0;my_text=text.innerHTML;text.innerHTML="";type_text();}}}
function type_text(){
if(txt_counter<my_text.length){buffer+=my_text.charAt(txt_counter);text.innerHTML=buffer;txt_counter++;setTimeout("type_text()",_interval);}}

/*zoekfunktie*/
var domain_name="www.wermac.org"
function wermac_search(curobj){
var txtBox;
/*var google = "No search text entered.\n...the Google Search Engine will be shown.\nClick the Close Button on the Top Right and your will be back on this page."*/
txtBox = document.getElementById('textfd');
if (txtBox.value == '')
{//alert(google);
}
else
{curobj.q.value="site:"+domain_name+" "+curobj.searchbox.value;}}

/*schrijven van diversen top of pagina*/
function page_top(){
document.write('<a name="top_of_page" id="top_of_page"></a>')

document.write('<div class="body_line"></div>')

document.write('<p class="top_bottom">&#160;|&#160;<a href="../sitemap/overview.html" title="Sitemap of www.wermac.org">sitemap</a>&#160;|&#160;<a href="../sitemap/about.html" title="Some information about the author of this website">about</a>&#160;|&#160;<a href="../news/news.html" title="News about piping releated articles">news</a>&#160;|&#160;<a href="../news/jobs.html" title="find a piping related job">jobs</a>&#160;|&#160;<a href="../others/whatismeantby.html" title="Typical piping abbreviations">abbreviations</a>&#160;|&#160;<a href="../others/piping_fun.html" title="Some nice images">fun</a>&#160;|&#160;<a href="../others/question_and_answer.html" title="Question and Answers on Piping related topics">question</a>&#160;|&#160;<a href="../others/convert.html" title="Metric Imperial Conversion, Length, Area, Weight, Volume, Temperature etc.">conversion</a>&#160;|&#160;<a href="../sitemap/links.html" title="Links to piping related websites">links</a>&#160;|&#160;<a href="../sitemap/copyright.html" title="Copyright and Disclaimer -www.wermac.org- ">copyright</a>&#160;|&#160;<a href="#top_of_page" onclick="show_panel_(999)" title="Search on this website">search</a>&#160;|&#160;<a href="mailto:info@wermac.org" title="This link will open your email program">contact</a>&#160;|&#160;</p>')

document.write('<div id="panel_99" class="transparent_class">')
document.write('<p>type a search term and press enter</p>')
document.write('<form action="http://www.google.com/search" target="_blanc" method="get" onsubmit="wermac_search(this)">')
document.write('<input name="q" type="hidden" />')
document.write('<input type="text" id="textfd" name="searchbox" value="" />')
document.write('</form></div>')

document.write('<div class="top_ewp"></div>')

document.write('<div class="header_outside">')
document.write('<div class="header_inside">')

mainmenu();

document.write('</div>')/*einde class header_inside*/
document.write('</div>')/*einde class header_outside*/
}
/*schrijven van page bottom*/
function page_bottom (){
document.write('<p class="top_bottom" style="text-align:center">|&#160;&#160;<a href="#top_of_page">top of page</a>&#160;&#160;|</p>')}

/*submenu tonen, background en foreground veranderen en combobox flanges verbergen*/
function show_submenu_(index){
var cr = "mm_item_" + index + "";
var ws = "submenu_" + index + "";
document.getElementById(cr).style.backgroundColor = '#999';
document.getElementById(ws).style.display = 'block';
hide_combo();}

/*submenu verbergen, background en foreground in originele staat terug brengen en combobox flanges tonen*/
function hide_submenu_(index){
var cr = "mm_item_" + index + "";
var ws = "submenu_" + index + "";
document.getElementById(cr).style.background = 'none';
document.getElementById(ws).style.display = 'none';
show_combo();}

/*color xxx menu*/
function x1(){
clearX();
document.getElementById('x_1').style.color = '#66ff99';
document.getElementById('x_1').style.fontWeight = 'bold';}
function x111(){
clearX();
document.getElementById('x_111').style.color = '#ffff00';
document.getElementById('x_111').style.fontWeight = 'bold'}
function x2(){
clearX();
document.getElementById('x_2').style.color = '#66ff99';
document.getElementById('x_2').style.fontWeight = 'bold'}
function x3(){
clearX();
document.getElementById('x_3').style.color = '#ffff00';
document.getElementById('x_3').style.fontWeight = 'bold'}
function x4(){
clearX();
document.getElementById('x_4').style.color = '#66ff99';
document.getElementById('x_4').style.fontWeight = 'bold'}
function x5(){
clearX();
document.getElementById('x_5').style.color = '#ffff00';
document.getElementById('x_5').style.fontWeight = 'bold'}
function x6(){
clearX();
document.getElementById('x_6').style.color = '#66ff99';
document.getElementById('x_6').style.fontWeight = 'bold'}
function x7(){
clearX();
document.getElementById('x_7').style.color = '#ffff00';
document.getElementById('x_7').style.fontWeight = 'bold'}
function x8(){
clearX();
document.getElementById('x_8').style.color = '#66ff99';
document.getElementById('x_8').style.fontWeight = 'bold'}
function x9(){
clearX();
document.getElementById('x_9').style.color = '#ffff00';
document.getElementById('x_9').style.fontWeight = 'bold'}
function x10(){
clearX();
document.getElementById('x_10').style.color = '#66ff99';
document.getElementById('x_10').style.fontWeight = 'bold'}
function x112(){
clearX();
document.getElementById('x_112').style.color = '#ffff00';
document.getElementById('x_112').style.fontWeight = 'bold'}
function x11(){
clearX();
document.getElementById('x_11').style.color = '#66ff99';
document.getElementById('x_11').style.fontWeight = 'bold'}

/*color #fff to menu*/
function clearX(){
var i=1;
while (i<=113){
if(document.getElementById('x_' + i +''))
document.getElementById('x_' + i +'').style.color = '#fff';
i=i+1;
clearFW();}}

/*clear bold or normal font-weight*/
function clearFW(){
var i=1;
while (i<=113){
if(document.getElementById('x_' + i +''))
document.getElementById('x_' + i +'').style.fontWeight = 'normal';
i=i+1;}}

/*hoofdmenu op elke pagina*/
function mainmenu(){
document.write('<table class="tbl_menu" border="0" cellspacing="0" cellpadding="0">')

//row 1 from menu
document.write('<tr><td>&#160;</td>')
document.write('<td id="mm_item_1"><h1 id="x_1" onmouseover="show_submenu_(1)" onmouseout="hide_submenu_(1)">DOCS</h1></td>')
document.write('<td id="mm_item_111"><h1 id="x_111" onmouseover="show_submenu_(111)" onmouseout="hide_submenu_(111)">MATL</h1></td>')
document.write('<td id="mm_item_2"><h1 id="x_2" onmouseover="show_submenu_(2)" onmouseout="hide_submenu_(2)">SOC</h1></td>')
document.write('<td id="mm_item_3"><h1 id="x_3" onmouseover="show_submenu_(3)" onmouseout="hide_submenu_(3)">PIPE</h1></td>')
document.write('<td id="mm_item_4"><h1 id="x_4" onmouseover="show_submenu_(4)" onmouseout="hide_submenu_(4)">FLANGES</h1></td>')
document.write('<td id="mm_item_5"><h1 id="x_5" onmouseover="show_submenu_(5)" onmouseout="hide_submenu_(5)">FITTINGS</h1></td>')
document.write('<td id="mm_item_6"><h1 id="x_6" onmouseover="show_submenu_(6)" onmouseout="hide_submenu_(6)">VALVES</h1></td>')
document.write('<td id="mm_item_7"><h1 id="x_7" onmouseover="show_submenu_(7)" onmouseout="hide_submenu_(7)">EQPT</h1></td>')
document.write('<td id="mm_item_8"><h1 id="x_8" onmouseover="show_submenu_(8)" onmouseout="hide_submenu_(8)">SPECIALS</h1></td>')
document.write('<td id="mm_item_9"><h1 id="x_9" onmouseover="show_submenu_(9)" onmouseout="hide_submenu_(9)">STEEL</h1></td>')
document.write('<td id="mm_item_10"><h1 id="x_10" onmouseover="show_submenu_(10)" onmouseout="hide_submenu_(10)">DIN</h1></td>')
document.write('<td id="mm_item_112"><h1 id="x_112" onmouseover="show_submenu_(112)" onmouseout="hide_submenu_(112)">STEAM</h1></td>')
document.write('<td id="mm_item_11"><h1 id="x_11" onmouseover="show_submenu_(11)" onmouseout="hide_submenu_(11)">OTHERS</h1></td>')
document.write('<td>&#160;</td></tr>')

/*row 2 from menu*/
document.write('<tr><td>&#160;</td>')

/*submenu DOCS*/
document.write('<td><div id="submenu_1" onmouseover="show_submenu_(1)" onclick="hide_submenu_(1)" onmouseout="hide_submenu_(1)">')
document.write('<h2>Piping Coordination Systems</h2>')

if(document.getElementById("doc1"))
{x1();
document.write('<h3>Dimensioning from Reference Points</h3>')}
else
{document.write('<p><a href="../documents/coordination_part1.html">Dimensioning from Reference Points</a></p>')}

if(document.getElementById("doc2"))
{x1();
document.write('<h3>Plot Plan</h3>')}
else
{document.write('<p><a href="../documents/coordination_part2.html">Plot Plan</a></p>')}

if(document.getElementById("doc3"))
{x1();
document.write('<h3>Piping Arrangement</h3>')}
else
{document.write('<p><a href="../documents/coordination_part3.html">Piping Arrangement</a></p>')}

if(document.getElementById("doc8"))
{x1();
document.write('<h3>Piping and Instrument Diagrams (P&#38;ID)</h3>')}
else
{document.write('<p><a href="../documents/pid.html">Piping and Instrument Diagrams (P&#38;ID)</a></p>')}

if(document.getElementById("doc9"))
{x1();
document.write('<h3>Piping Isometrics (Iso&#39;s)</h3>')}
else
{document.write('<p><a href="../documents/isometric.html">Piping Isometrics (Iso&#39;s)</a></p>')}


document.write('<h2>Engineering Standards</h2>')

if(document.getElementById("doces0"))
{x1();
document.write('<h3>Foreword - Engineering Standards</h3>')}
else
{document.write('<p><a href="../documents/engineering_standards_what_are.html">Foreword - Engineering Standards</a></p>')}

if(document.getElementById("doces"))
{x1();
document.write('<h3>Piping Material Specifications (15 Pages)</h3>')}
else
{document.write('<p><a href="../documents/engineering_standard_part1.html">Piping Material Specifications (15 pages)</a></p>')}

if(document.getElementById("plc150"))
{x1();
document.write('<h3>Pipe Specification and Piping Line Class</h3>')}
else
{document.write('<p><a href="../documents/plc150.html">Pipe Specification and Piping Line Class</a></p>')}


document.write('<h2>Drawing Symbols</h2>')

if(document.getElementById("sympid"))
{x1();
document.write('<h3>Symbols for P&#38;ID&#39;s</h3>')}
else
{document.write('<p><a href="../documents/symbols_pid.html">Symbols for P&#38;ID&#39;s</a></p>')}

if(document.getElementById("symiso"))
{x1();
document.write('<h3>Symbols for Isometric drawings</h3>')}
else
{document.write('<p><a href="../documents/symbols_iso.html">Symbols for Isometric drawings</a></p>')}

if(document.getElementById("symhe"))
{x1();
document.write('<h3>Symbols for Heat Exchangers on P&#38;ID</h3>')}
else
{document.write('<p><a href="../documents/symbols_heatexchanger.html">Symbols for Heat Exchangers on P&#38;ID</a></p>')}

if(document.getElementById("symbwswth"))
{x1();
document.write('<h3>Symbols for Piping Arrangements</h3>')}
else
{document.write('<p><a href="../documents/symbols_bw_sw_th.html">Symbols for Piping Arrangements</a></p>')}

document.write('</div></td>')


/*submenu MATL*/
document.write('<td><div id="submenu_111" onmouseover="show_submenu_(111)" onclick="hide_submenu_(111)" onmouseout="hide_submenu_(111)">')
document.write('<h2>Corrosion</h2>')

if(document.getElementById("mat1"))
{x111();
document.write('<h3>Corrosion general</h3>')}
else
{document.write('<p><a href="../materials/corrosion.html">Corrosion general</a></p>')}

if(document.getElementById("mat2"))
{x111();
document.write('<h3>Corrosion Under Insulation (CUI)</h3>')}
else
{document.write('<p><a href="../materials/corrosion_cui.html">Corrosion Under Insulation (CUI)</a></p>')}

if(document.getElementById("mat3"))
{x111();
document.write('<h3>Corrosion Allowance</h3>')}
else
{document.write('<p><a href="../materials/corrosion_allowance.html">Corrosion Allowance</a></p>')}


document.write('<h2>Material Specification</h2>')

if(document.getElementById("mat4"))
{x111();
document.write('<h3>ASTM-Werkstoffnummer-DIN</h3>')}
else
{document.write('<p><a href="../materials/mat_spec.html">ASTM-Werkstoffnummer-DIN</a></p>')}

document.write('</div></td>')


/*submenu Societies (SOC)*/
document.write('<td><div id="submenu_2" onmouseover="show_submenu_(2)" onclick="hide_submenu_(2)" onmouseout="hide_submenu_(2)" style="width:300px">')
document.write('<h2>American Society of Mechanical Engineers</h2>')

if(document.getElementById("soc1"))
{x2();
document.write('<h3>What is ASME</h3>')}
else
{document.write('<p><a href="../societies/asme_part1.html">What is ASME</a></p>')}

if(document.getElementById("soc2"))
{x2();
document.write('<h3>ASME B31.3 - Process Piping</h3>')}
else
{document.write('<p><a href="../societies/asme_part2.html">ASME B31.3 - Process Piping</a></p>')}

if(document.getElementById("soc3"))
{x2();
document.write('<h3>Standards defined on this website</h3>')}
else
{document.write('<p><a href="../societies/asme_part3.html">Standards defined on this website</a></p>')}

document.write('<h2>American Society for Testing and Materials</h2>')

if(document.getElementById("soc4"))
{x2();
document.write('<h3>What is ASTM International</h3>')}
else
{document.write('<p><a href="../societies/astm_part1.html">What is ASTM International</a></p>')}

if(document.getElementById("soc5"))
{x2();
document.write('<h3>Pipes, Tubes and Fittings Standards</h3>')}
else
{document.write('<p><a href="../societies/astm_part2.html">Pipes, Tubes and Fittings Standards</a></p>')}

if(document.getElementById("soc6"))
{x2();
document.write('<h3>Castings and Forgings Standards</h3>')}
else
{document.write('<p><a href="../societies/astm_part3.html">Castings and Forgings Standards</a></p>')}

if(document.getElementById("soc7"))
{x2();
document.write('<h3>Plate, Sheet, Strip and Wire Standards</h3>')}
else
{document.write('<p><a href="../societies/astm_part4.html">Plate, Sheet, Strip and Wire Standards</a></p>')}

if(document.getElementById("soc8"))
{x2();
document.write('<h3>Standards defined on this website</h3>')}
else
{document.write('<p><a href="../societies/astm_part5.html">Standards defined on this website</a></p>')}

document.write('<h2>Collaboration between ASME and ASTM</h2>')

if(document.getElementById("asmeastm"))
{x2();
document.write('<h3>ASTM A... OR ASME SA...</h3>')}
else
{document.write('<p><a href="../societies/asme_astm.html">ASTM A... OR ASME SA...</a></p>')}

document.write('<h2>Manufacturers Standardization Society</h2>')

if(document.getElementById("soc9"))
{x2();
document.write('<h3>What is MSS</h3>')}
else
{document.write('<p><a href="../societies/mss_part1.html">What is MSS</a></p>')}

if(document.getElementById("soc10"))
{x2();
document.write('<h3>MSS Standards</h3>')}
else
{document.write('<p><a href="../societies/mss_part2.html">MSS Standards</a></p>')}

document.write('<h2>American Petroleum Institute (API)</h2>')

if(document.getElementById("api1"))
{x2();
document.write('<h3>Who is API</h3>')}
else
{document.write('<p><a href="../societies/api_part1.html">Who is API</a></p>')}

document.write('</div></td>')



/*submenu pipes*/
document.write('<td><div id="submenu_3" onmouseover="show_submenu_(3)" onclick="hide_submenu_(3)" onmouseout="hide_submenu_(3)" style="width:300px">')
document.write('<h2>Definition and Details of Pipes</h2>')

if(document.getElementById("pip1"))
{x3();
document.write('<h3>Definition of Pipe</h3>')}
else
{document.write('<p><a href="../pipes/pipe_part1.html">Definition of Pipe</a></p>')}

if(document.getElementById("pip2"))
{x3();
document.write('<h3>NPS and Schedule</h3>')}
else
{document.write('<p><a href="../pipes/pipe_part2.html">NPS and Schedule</a></p>')}

if(document.getElementById("pip3"))
{x3();
document.write('<h3>Fabrication, Lengths and Ends</h3>')}
else
{document.write('<p><a href="../pipes/pipe_part3.html">Fabrication, Lengths and Ends</a></p>')}

if(document.getElementById("pip4"))
{x3();
document.write('<h3>Materials acc. to ASTM</h3>')}
else
{document.write('<p><a href="../pipes/pipe_part4.html">Materials acc. to ASTM</a></p>')}

document.write('<h2>Dimensions and Weights of steel pipes<br />acc. to ASME B36.10M / ASME B36.19M</h2>')

if(document.getElementById("pip5"))
{x3();
document.write('<h3>NPS 1/2 up to NPS 4</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes.html">NPS 1/2 up to NPS 4</a></p>')}

if(document.getElementById("pip5b"))
{x3();
document.write('<h3>NPS 5 up to NPS 14</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_b.html">NPS 5 up to NPS 14</a></p>')}

if(document.getElementById("pip5c"))
{x3();
document.write('<h3>NPS 16 up to NPS 24</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_c.html">NPS 16 up to NPS 24</a></p>')}

if(document.getElementById("pip6"))
{x3();
document.write('<h3>NPS 26 up to NPS 48</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_large.html">NPS 26 up to NPS 48</a></p>')}

document.write('<h2>Dimensions and Weights of steel pipes<br />acc. to ASTM A53/A53M</h2>')

if(document.getElementById("pip53-1"))
{x3();
document.write('<h3>NPS 1/8 up to NPS 1 1/2</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_a53_1.html">NPS 1/8 up to NPS 1 1/2</a></p>')}

if(document.getElementById("pip53-2"))
{x3();
document.write('<h3>NPS 2 up to NPS 3 1/2</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_a53_2.html">NPS 2 up to NPS 3 1/2</a></p>')}

if(document.getElementById("pip53-3"))
{x3();
document.write('<h3>NPS 4 up to NPS 6</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_a53_3.html">NPS 4 up to NPS 6</a></p>')}

if(document.getElementById("pip53-4"))
{x3();
document.write('<h3>NPS 8 up to NPS 12</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_a53_4.html">NPS 8 up to NPS 12</a></p>')}

if(document.getElementById("pip53-5"))
{x3();
document.write('<h3>NPS 14 up to NPS 18</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_a53_5.html">NPS 14 up to NPS 18</a></p>')}

if(document.getElementById("pip53-6"))
{x3();
document.write('<h3>NPS 20 up to NPS 26</h3>')}
else
{document.write('<p><a href="../pipes/dim_pipes_a53_6.html">NPS 20 up to NPS 26</a></p>')}

document.write('</div></td>')



/*submenu flanges*/
document.write('<td><div id="submenu_4" style="width:670px; margin-left:-181px" onmouseover="show_submenu_(4)" onclick="hide_submenu_(4)" onmouseout="hide_submenu_(4)">')

document.write('<table style="width:670px" border="0" cellspacing="0" cellpadding="0"><tr><td>')

document.write('<h2>Definition and Details of Flanges</h2>')

if(document.getElementById("flg13"))
{x4();
document.write('<h3>Flanges general</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part1.html">Flanges general</a></p>')}

if(document.getElementById("flg14"))
{x4();
document.write('<h3>Pressure Class</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part2.html">Pressure Class</a></p>')}

if(document.getElementById("flg15"))
{x4();
document.write('<h3>Flanges types</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part3.html">Flanges types</a></p>')}

if(document.getElementById("flg16"))
{x4();
document.write('<h3>Bolt Hole Orientation</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part4.html">Bolt Hole Orientation</a></p>')}

if(document.getElementById("flg17"))
{x4();
document.write('<h3>Flanges faces</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part5.html">Flanges faces</a></p>')}

if(document.getElementById("flg18"))
{x4();
document.write('<h3>Flange Face Finish</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part6.html">Flange Face Finish</a></p>')}

if(document.getElementById("flg19"))
{x4();
document.write('<h3>Gaskets and Bolts</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part7.html">Gaskets and Bolts</a></p>')}

if(document.getElementById("flg24"))
{x4();
document.write('<h3>Torque Tightening</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part9.html">Torque Tightening</a></p>')}

if(document.getElementById("flg25"))
{x4();
document.write('<h3>Bolt Tensioning</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part10.html">Bolt Tensioning</a></p>')}

if(document.getElementById("flg20"))
{x4();
document.write('<h3>Materials acc. to ASTM</h3>')}
else
{document.write('<p><a href="../flanges/flanges_general_part8.html">Materials acc. to ASTM</a></p>')}

document.write('<h2>Special Flanges</h2>')

if(document.getElementById("flg21"))
{x4();
document.write('<h3>Orifice Flanges and Plates</h3>')}
else
{document.write('<p><a href="../flanges/flanges_special_part1.html">Orifice Flanges and Plates</a></p>')}

if(document.getElementById("flg22"))
{x4();
document.write('<h3>Spectacle blind-spades-spacers</h3>')}
else
{document.write('<p><a href="../flanges/flanges_special_part2.html">Spectacle blind-spades-spacers</a></p>')}

if(document.getElementById("flg23"))
{x4();
document.write('<h3>LWN-Weldo-Exp-Red Flanges</h3>')}
else
{document.write('<p><a href="../flanges/flanges_special_part3.html">LWN-Weldo-Exp-Red Flanges</a></p>')}

document.write('</td><td>&#160;</td><td>')

document.write('<h2>Dimensions and Tolerances</h2>')

if(document.getElementById("flg1"))
{x4();
document.write('<h3>Welding Neck Flanges</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_wn.html">Welding Neck Flanges</a></p>')}

if(document.getElementById("flg2"))
{x4();
document.write('<h3>Slip On flanges</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_so.html">Slip On flanges</a></p>')}

if(document.getElementById("flg3"))
{x4();
document.write('<h3>Socket Weld Flanges</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_sw.html">Socket Weld Flanges</a></p>')}

if(document.getElementById("flg4"))
{x4();
document.write('<h3>Lap Joint Flanges</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_lj.html">Lap Joint Flanges</a></p>')}

if(document.getElementById("flg5"))
{x4();
document.write('<h3>- Stub Ends (MSS SP-43)</h3>')}
else
{document.write('<p><a href="../fittings/dim_stubends_ss.html">- Stub Ends (MSS SP-43)</a></p>')}

if(document.getElementById("flg6"))
{x4();
document.write('<h3>- Stub Ends (ASME B16.9)</h3>')}
else
{document.write('<p><a href="../fittings/dim_stubends_cs.html">- Stub Ends (ASME B16.9)</a></p>')}

if(document.getElementById("flg7"))
{x4();
document.write('<h3>Threaded Flanges</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_th.html">Threaded Flanges</a></p>')}

if(document.getElementById("flg8"))
{x4();
document.write('<h3>Blind Flanges</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_bl.html">Blind Flanges</a></p>')}

if(document.getElementById("flg9"))
{x4();
document.write('<h3>Spectacle Blinds</h3>')}
else
{document.write('<p><a href="../flanges/dim_specblinds.html">Spectacle Blinds</a></p>')}

if(document.getElementById("flg10"))
{x4();
document.write('<h3>Spades and Ring Spacers</h3>')}
else
{document.write('<p><a href="../flanges/dim_spades.html">Spades and Ring Spacers</a></p>')}

document.write('<h2>Dim Weld Neck &#38; Blind Flanges<br />acc. to ASME B16.47</h2>')

if(document.getElementById("flg11"))
{x4();
document.write('<h3>NPS 26 up to NPS 60 Series A</h3>')}
else
{document.write('<p><a href="../flanges/dim_1647_a.html">NPS 26 up to NPS 60 Series A</a></p>')}

if(document.getElementById("flg12"))
{x4();
document.write('<h3>NPS 26 up to NPS 60 Series B</h3>')}
else
{document.write('<p><a href="../flanges/dim_1647_b.html">NPS 26 up to NPS 60 Series B</a></p>')}

document.write('</td><td>&#160;</td><td>')

document.write('<h2>Dimensions Orifice Flanges RF</h2>')

if(document.getElementById("flg26"))
{x4();
document.write('<h3>WN 300 Lbs NPS 1 - NPS 24</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_300_wn.html">WN 300 Lbs NPS 1 - NPS 24</a></p>')}

if(document.getElementById("flg27"))
{x4();
document.write('<h3>WN 600 Lbs NPS 1 - NPS 24</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_600_rf.html">WN 600 Lbs NPS 1 - NPS 24</a></p>')}

if(document.getElementById("flg28"))
{x4();
document.write('<h3>WN 900 Lbs NPS 1 - NPS 24</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_900_rf.html">WN 900 Lbs NPS 1 - NPS 24</a></p>')}

if(document.getElementById("flg29"))
{x4();
document.write('<h3>WN 1500 Lbs NPS 1 - NPS 24</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_1500_rf.html">WN 1500 Lbs NPS 1 - NPS 24</a></p>')}

if(document.getElementById("flg30"))
{x4();
document.write('<h3>WN 2500 Lbs NPS 1 - NPS 12</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_2500_rf.html">WN 2500 Lbs NPS 1 - NPS 12</a></p>')}

document.write('<h2>Dimensions Orifice Flanges RTJ</h2>')

if(document.getElementById("flg31"))
{x4();
document.write('<h3>WN 600 Lbs NPS 1 - NPS 24</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_600_rtj.html">WN 600 Lbs NPS 1 - NPS 24</a></p>')}

if(document.getElementById("flg32"))
{x4();
document.write('<h3>WN 900 Lbs NPS 1 - NPS 24</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_900_rtj.html">WN 900 Lbs NPS 1 - NPS 24</a></p>')}

if(document.getElementById("flg33"))
{x4();
document.write('<h3>WN 1500 Lbs NPS 1 - NPS 24</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_1500_rtj.html">WN 1500 Lbs NPS 1 - NPS 24</a></p>')}

if(document.getElementById("flg34"))
{x4();
document.write('<h3>WN 2500 Lbs NPS 1 - NPS 12</h3>')}
else
{document.write('<p><a href="../flanges/dim_flg_orifice_2500_rtj.html">WN 2500 Lbs NPS 1 - NPS 12</a></p>')}

document.write('</td></tr></table>')

document.write('</div></td>')



/*submenu fittings*/
document.write('<td><div id="submenu_5" style="width:750px; margin-left:-220px" onclick="hide_submenu_(5)" onmouseover="show_submenu_(5)" onmouseout="hide_submenu_(5)">')

document.write('<table style="width:750px" border="0" cellspacing="0" cellpadding="0"><tr><td>')

document.write('<h2>Details and types of Buttweld Fittings</h2>')

if(document.getElementById("fit10"))
{x5();
document.write('<h3>Buttweld Fittings General</h3>')}
else
{document.write('<p><a href="../fittings/buttweld_fittings_part1.html">Buttweld Fittings General</a></p>')}

if(document.getElementById("fit11"))
{x5();
document.write('<h3>Elbows 45&#176;-180&#176;</h3>')}
else
{document.write('<p><a href="../fittings/buttweld_fittings_part2.html">Elbows 45&#176;-180&#176;</a></p>')}

if(document.getElementById("fit12"))
{x5();
document.write('<h3>Tees Straight-Reducing</h3>')}
else
{document.write('<p><a href="../fittings/buttweld_fittings_part3.html">Tees Straight-Reducing</a></p>')}

if(document.getElementById("fit13"))
{x5();
document.write('<h3>Reducer-Cap-Stubs-Swages</h3>')}
else
{document.write('<p><a href="../fittings/buttweld_fittings_part4.html">Reducer-Cap-Stubs-Swages</a></p>')}

if(document.getElementById("fit14"))
{x5();
document.write('<h3>Materials acc. to ASTM</h3>')}
else
{document.write('<p><a href="../fittings/buttweld_fittings_part5.html">Materials acc. to ASTM</a></p>')}


document.write('<h2>Dimensions Buttweld Fittings</h2>')

if(document.getElementById("fit15"))
{x5();
document.write('<h3>Elbows 45&#176;/90&#176; LR</h3>')}
else
{document.write('<p><a href="../fittings/dim_elbows_a.html">Elbows 45&#176;/90&#176; LR</a></p>')}

if(document.getElementById("fit16"))
{x5();
document.write('<h3>Elbows 90&#176; SR</h3>')}
else
{document.write('<p><a href="../fittings/dim_elbows_b.html">Elbows 90&#176; SR</a></p>')}

if(document.getElementById("fit17"))
{x5();
document.write('<h3>Elbows 180&#176; LR/SR</h3>')}
else
{document.write('<p><a href="../fittings/dim_elbows_c.html">Elbows 180&#176; LR/SR</a></p>')}

if(document.getElementById("fit18"))
{x5();
document.write('<h3>End Caps</h3>')}
else
{document.write('<p><a href="../fittings/dim_caps.html">End Caps</a></p>')}

if(document.getElementById("fit19"))
{x5();
document.write('<h3>Reducers Concentric-Eccentric</h3>')}
else
{document.write('<p><a href="../fittings/dim_reducers.html">Reducers Concentric-Eccentric</a></p>')}

if(document.getElementById("fit20"))
{x5();
document.write('<h3>Tees equal</h3>')}
else
{document.write('<p><a href="../fittings/dim_tees_eq.html">Tees Straight</a></p>')}

if(document.getElementById("fit21"))
{x5();
document.write('<h3>Tees Reducing</h3>')}
else
{document.write('<p><a href="../fittings/dim_tees_red.html">Tees Reducing</a></p>')}

document.write('<h2>Dimensionns Lap Joint Stub Ends</h2>')

if(document.getElementById("flg5"))
{x5();
document.write('<h3>Stub Ends (MSS SP-43)</h3>')}
else
{document.write('<p><a href="../fittings/dim_stubends_ss.html">Stub Ends (MSS SP-43)</a></p>')}

if(document.getElementById("flg6"))
{x5();
document.write('<h3>Stub Ends (ASME B16.9)</h3>')}
else
{document.write('<p><a href="../fittings/dim_stubends_cs.html">Stub Ends (ASME B16.9)</a></p>')}

document.write('</td><td>&#160;</td><td>')

document.write('<h2>Threaded Fittings general</h2>')

if(document.getElementById("fit23"))
{x5();
document.write('<h3>Definition and Details</h3>')}
else
{document.write('<p><a href="../fittings/threaded_general.html">Definition and Details</a></p>')}

document.write('<h2>Dimensions Threaded Fittings</h2>')

if(document.getElementById("fit24"))
{x5();
document.write('<h3>Elbows 90&#176; / 45&#176;</h3>')}
else
{document.write('<p><a href="../fittings/dim_thd_elbows.html">Elbows 90&#176; / 45&#176;</a></p>')}

if(document.getElementById("fit25"))
{x5();
document.write('<h3>Tees and Crosses</h3>')}
else
{document.write('<p><a href="../fittings/dim_thd_tees.html">Tees and Crosses</a></p>')}

if(document.getElementById("fit26"))
{x5();
document.write('<h3>Street Elbows</h3>')}
else
{document.write('<p><a href="../fittings/dim_thd_street_elbows.html">Street Elbows</a></p>')}

if(document.getElementById("fit27"))
{x5();
document.write('<h3>Full and Half-Couplings</h3>')}
else
{document.write('<p><a href="../fittings/dim_thd_couplings.html">Full and Half-Couplings</a></p>')}

if(document.getElementById("fit28"))
{x5();
document.write('<h3>Caps</h3>')}
else
{document.write('<p><a href="../fittings/dim_thd_caps.html">Caps</a></p>')}

if(document.getElementById("fit29"))
{x5();
document.write('<h3>Hex Head Bushings</h3>')}
else
{document.write('<p><a href="../fittings/dim_thd_bushings.html">Hex Head Bushings</a></p>')}

if(document.getElementById("fit30"))
{x5();
document.write('<h3>Plugs</h3>')}
else
{document.write('<p><a href="../fittings/dim_thd_plugs.html">Plugs</a></p>')}


document.write('<h2>Socket Weld Fittings general</h2>')

if(document.getElementById("fit22"))
{x5();
document.write('<h3>Definition and Details</h3>')}
else
{document.write('<p><a href="../fittings/socket_weld_general.html">Definition and Details</a></p>')}

document.write('<h2>Dimensions Socket Weld Fittings</h2>')

if(document.getElementById("fit1"))
{x5();
document.write('<h3>Elbows 90&#176; / 45&#176;</h3>')}
else
{document.write('<p><a href="../fittings/dim_sw_elbows.html">Elbows 90&#176; / 45&#176;</a></p>')}

if(document.getElementById("fit2"))
{x5();
document.write('<h3>Tees and Crosses</h3>')}
else
{document.write('<p><a href="../fittings/dim_sw_tee_cross.html">Tees and Crosses</a></p>')}

if(document.getElementById("fit3"))
{x5();
document.write('<h3>Couplings and Half-Couplings</h3>')}
else
{document.write('<p><a href="../fittings/dim_sw_coupling.html">Couplings and Half-Couplings</a></p>')}

if(document.getElementById("fit4"))
{x5();
document.write('<h3>Reducing Couplings</h3>')}
else
{document.write('<p><a href="../fittings/dim_sw_red_coupling.html">Reducing Couplings</a></p>')}

if(document.getElementById("fit5"))
{x5();
document.write('<h3>Caps</h3>')}
else
{document.write('<p><a href="../fittings/dim_sw_caps.html">Caps</a></p>')}

document.write('</td><td>&#160;&#160;</td><td>')


document.write('<h2>Dimensions Weldolets&#174;</h2>')

if(document.getElementById("fit6"))
{x5();
document.write('<h3>NPS 1/2 up to NPS 24 Size on Size</h3>')}
else
{document.write('<p><a href="../fittings/dim_weldolet_sos.html">NPS 1/2 up to NPS 24 Size on Size</a></p>')}

if(document.getElementById("fit7"))
{x5();
document.write('<h3>NPS 3/4 up to NPS 20 Reducing</h3>')}
else
{document.write('<p><a href="../fittings/dim_weldolet_red.html">NPS 3/4 up to NPS 20 Reducing</a></p>')}

document.write('<h2>Dimensions Sockolets&#174;</h2>')

if(document.getElementById("fit8"))
{x5();
document.write('<h3>Pressure Class 3000 and 6000 Lbs</h3>')}
else
{document.write('<p><a href="../fittings/dim_sockolet.html">Pressure Class 3000 and 6000 Lbs</a></p>')}

document.write('<h2>Dimensions Thredolets&#174;</h2>')

if(document.getElementById("fit9"))
{x5();
document.write('<h3>Pressure Class 3000 and 6000 Lbs</h3>')}
else
{document.write('<p><a href="../fittings/dim_thredolet.html">Pressure Class 3000 and 6000 Lbs</a></p>')}

document.write('</td></tr></table>')//***

document.write('</div></td>')



/*submenu valves*/
document.write('<td><div id="submenu_6" style="width:300px" onmouseover="show_submenu_(6)" onclick="hide_submenu_(6)" onmouseout="hide_submenu_(6)">')
/*document.getElementById("mm_item_6").style.backgroundColor = '#666';*/

document.write('<h2>Introduction to Valves</h2>')

if(document.getElementById("val1"))
{x6();
document.write('<h3>Valves General</h3>')}
else
{document.write('<p><a href="../valves/valves_general.html">Valves General</a></p>')}

document.write('<h2>Types of Valves and Details</h2>')

if(document.getElementById("val2"))
{x6();
document.write('<h3>Gate Valve</h3>')}
else
{document.write('<p><a href="../valves/valves_gate.html">Gate Valve</a></p>')}

if(document.getElementById("val3"))
{x6();
document.write('<h3>Globe valve</h3>')}
else
{document.write('<p><a href="../valves/valves_globe.html">Globe valve</a></p>')}

if(document.getElementById("val4"))
{x6();
document.write('<h3>Ball valve</h3>')}
else
{document.write('<p><a href="../valves/valves_ball.html">Ball valve</a></p>')}

if(document.getElementById("val5"))
{x6();
document.write('<h3>Plug valve</h3>')}
else
{document.write('<p><a href="../valves/valves_plug.html">Plug valve</a></p>')}

if(document.getElementById("val6"))
{x6();
document.write('<h3>Butterfly valve</h3>')}
else
{document.write('<p><a href="../valves/valves_butterfly.html">Butterfly valve</a></p>')}

if(document.getElementById("val7"))
{x6();
document.write('<h3>Check valve</h3>')}
else
{document.write('<p><a href="../valves/valves_check.html">Check valve</a></p>')}

if(document.getElementById("valbs"))
{x6();
document.write('<h3>Bellows sealed valves</h3>')}
else
{document.write('<p><a href="../valves/valves_bellows_sealed.html">Bellows sealed valves</a></p>')}

document.write('<h2>Face to Face dimensions of flanged Valves</h2>')

if(document.getElementById("val8"))
{x6();
document.write('<h3>Pressure Class 150 up to 2500 Lbs</h3>')}
else
{document.write('<p><a href="../valves/dim_valves_ff.html">Pressure Class 150 up to 2500 Lbs</a></p>')}

document.write('<h2>Block and Bleed</h2>')

if(document.getElementById("valdbb"))
{x6();
document.write('<h3>Introduction to block &#38; bleed</h3>')}
else
{document.write('<p><a href="../valves/valves_dbb.html">Introduction to block &#38; bleed</a></p>')}

document.write('<h2>Process Safety</h2>')

if(document.getElementById("val9"))
{x6();
document.write('<h3>Pressure Relief Valve</h3>')}
else
{document.write('<p><a href="../valves/valves_pressure_relief.html">Pressure Relief Valve</a></p>')}

if(document.getElementById("val10"))
{x6();
document.write('<h3>Rupture Disks</h3>')}
else
{document.write('<p><a href="../valves/valves_rupture_disk.html">Rupture Disks</a></p>')}

document.write('</div></td>')

/*submenu equipment*/
document.write('<td><div id="submenu_7" onmouseover="show_submenu_(7)" onclick="hide_submenu_(7)" onmouseout="hide_submenu_(7)">')

document.write('<h2>Heat Transfer by Heat Exchangers</h2>')

if(document.getElementById("equ1"))
{x7();
document.write('<h3>Heat Transfer general</h3>')}
else
{document.write('<p><a href="../equipment/heatexchanger_part1.html">Heat Transfer general</a></p>')}

if(document.getElementById("equ2"))
{x7();
document.write('<h3>Shell and Tube</h3>')}
else
{document.write('<p><a href="../equipment/heatexchanger_part2.html">Shell and Tube</a></p>')}

if(document.getElementById("equ3"))
{x7();
document.write('<h3>Tubes and Tubesheet</h3>')}
else
{document.write('<p><a href="../equipment/heatexchanger_part3.html">Tubes and Tubesheet</a></p>')}

if(document.getElementById("equ4"))
{x7();
document.write('<h3>Shell Assembly</h3>')}
else
{document.write('<p><a href="../equipment/heatexchanger_part4.html">Shell Assembly</a></p>')}

if(document.getElementById("equ5"))
{x7();
document.write('<h3>TEMA Designations</h3>')}
else
{document.write('<p><a href="../equipment/heatexchanger_part5.html">TEMA Designations</a></p>')}

document.write('<h2>Plate Heat Exchangers</h2>')

if(document.getElementById("equ6"))
{x7();
document.write('<h3>Summary of this type of heat exchanger</h3>')}
else
{document.write('<p><a href="../equipment/plateheatexchanger.html">Summary of this type of heat exchanger</a></p>')}

document.write('<h2>Pumps</h2>')

if(document.getElementById("pum1"))
{x7();
document.write('<h3>Pumps general</h3>')}
else
{document.write('<p><a href="../equipment/pumps_general.html">Pumps general</a></p>')}

if(document.getElementById("pum2"))
{x7();
document.write('<h3>Centrifugal Pumps</h3>')}
else
{document.write('<p><a href="../equipment/pumps_centrifugal.html">Centrifugal Pumps</a></p>')}

if(document.getElementById("pum3"))
{x7();
document.write('<h3>Positive Displacement Pumps</h3>')}
else
{document.write('<p><a href="../equipment/pumps_positive_displacement.html">Positive Displacement Pumps</a></p>')}

document.write('<h2>Storage Tanks</h2>')

if(document.getElementById("tk1"))
{x7();
document.write('<h3>What are storage tanks ?</h3>')}
else
{document.write('<p><a href="../equipment/storage_tanks_vessels_general.html">What are storage tanks ?</a></p>')}

if(document.getElementById("tk2"))
{x7();
document.write('<h3>Safety considerations for storage tanks</h3>')}
else
{document.write('<p><a href="../equipment/storage_tanks_safety.html">Safety considerations for storage tanks</a></p>')}

if(document.getElementById("tk3"))
{x7();
document.write('<h3>Flame Arresters</h3>')}
else
{document.write('<p><a href="../equipment/flame_arrester.html">Flame Arresters</a></p>')}

document.write('</div></td>')


/*submenu specials*/
document.write('<td><div id="submenu_8" onmouseover="show_submenu_(8)" onclick="hide_submenu_(8)" onmouseout="hide_submenu_(8)">')

document.write('<h2>Special Fittings</h2>')

if(document.getElementById("spc1"))
{x8();
document.write('<h3>Lokring&#174; Fittings</h3>')}
else
{document.write('<p><a href="../specials/lokring.html">Lokring&#174; Fittings</a></p>')}

if(document.getElementById("victaulic"))
{x8();
document.write('<h3>Victaulic&#174; pipe joining systems</h3>')}
else
{document.write('<p><a href="../specials/victaulic.html">Victaulic&#174; pipe joining systems</a></p>')}

document.write('<h2>Quick Connectors</h2>')

if(document.getElementById("quick"))
{x8();
document.write('<h3>Cam Lock &#38; Chicago couplings</h3>')}
else
{document.write('<p><a href="../specials/quick_couplings.html">Cam Lock &#38; Chicago couplings</a></p>')}

document.write('<h2>Special Components</h2>')

if(document.getElementById("spc2"))
{x8();
document.write('<h3>Expansion Joints</h3>')}
else
{document.write('<p><a href="../specials/expansion_joint.html">Expansion Joints</a></p>')}

document.write('<h2>Special Technics</h2>')

if(document.getElementById("spc3"))
{x8();
document.write('<h3>Reinforced Branch Connection</h3>')}
else
{document.write('<p><a href="../specials/branch_reinforced.html">Reinforced Branch Connection</a></p>')}

if(document.getElementById("spc4"))
{x8();
document.write('<h3>Hot Tapping and Line Stopping</h3>')}
else
{document.write('<p><a href="../specials/hottap.html">Hot Tapping and Line Stopping</a></p>')}

document.write('</div></td>')


/*submenu steel*/
document.write('<td><div id="submenu_9" style="width:300px" onmouseover="show_submenu_(9)" onclick="hide_submenu_(9)" onmouseout="hide_submenu_(9)">')

document.write('<h2>Steel Structures in a Process Plant</h2>')

if(document.getElementById("ste11"))
{x9();
document.write('<h3>Pipe Racks</h3>')}
else
{document.write('<p><a href="../steel/piperacks.html">Pipe Racks</a></p>')}

document.write('<h2>Pipe Supports in a Process Plant</h2>')

if(document.getElementById("ste12"))
{x9();
document.write('<h3>Pipe Supports general</h3>')}
else
{document.write('<p><a href="../steel/pipesupports.html">Pipe Supports general</a></p>')}

if(document.getElementById("ste13"))
{x9();
document.write('<h3>Parts of Pipe Supports</h3>')}
else
{document.write('<p><a href="../steel/pipesupports_parts.html">Parts of Pipe Supports</a></p>')}

if(document.getElementById("ste14"))
{x9();
document.write('<h3>Pipe Support Spacing</h3>')}
else
{document.write('<p><a href="../steel/pipesupports_spacing.html">Pipe Support Spacing</a></p>')}

document.write('<h2>Dimensions Steel Beams according to<br />European standard NEN-EN 10025-1/2</h2>')

if(document.getElementById("ste1"))
{x9();
document.write('<h3>HEA Beams</h3>')}
else
{document.write('<p><a href="../steel/dim_hea.html">HEA Beams</a></p>')}

if(document.getElementById("ste2"))
{x9();
document.write('<h3>HEB Beams</h3>')}
else
{document.write('<p><a href="../steel/dim_heb.html">HEB Beams</a></p>')}

if(document.getElementById("ste3"))
{x9();
document.write('<h3>HEM Beams</h3>')}
else
{document.write('<p><a href="../steel/dim_hem.html">HEM Beams</a></p>')}

if(document.getElementById("ste4"))
{x9();
document.write('<h3>IPE and INP Beams</h3>')}
else
{document.write('<p><a href="../steel/dim_ipe_inp.html">IPE and INP Beams</a></p>')}

if(document.getElementById("ste5"))
{x9();
document.write('<h3>UNP and UPE Beams</h3>')}
else
{document.write('<p><a href="../steel/dim_unp_upe.html">UNP and UPE Beams</a></p>')}

if(document.getElementById("ste6"))
{x9();
document.write('<h3>Angle Steel equal</h3>')}
else
{document.write('<p><a href="../steel/dim_angle_eq.html">Angle Steel equal</a></p>')}

if(document.getElementById("ste7"))
{x9();
document.write('<h3>Angle Steel unequal</h3>')}
else
{document.write('<p><a href="../steel/dim_angle_uneq.html">Angle Steel unequal</a></p>')}

if(document.getElementById("ste8"))
{x9();
document.write('<h3>Tee Steel equal/unequal</h3>')}
else
{document.write('<p><a href="../steel/dim_tee.html">Tee Steel equal/unequal</a></p>')}

if(document.getElementById("ste9"))
{x9();
document.write('<h3>Round and Square Steel</h3>')}
else
{document.write('<p><a href="../steel/dim_round_square.html">Round and Square Steel</a></p>')}

if(document.getElementById("ste10"))
{x9();
document.write('<h3>Flat Steel</h3>')}
else
{document.write('<p><a href="../steel/dim_flat.html">Flat Steel</a></p>')}

document.write('</div></td>')


/*submenu DIN*/
document.write('<td><div id="submenu_10" onmouseover="show_submenu_(10)" onclick="hide_submenu_(10)" onmouseout="hide_submenu_(10)">')

document.write('<h2>Deutsches Institut f&uuml;r Normung (DIN)</h2>')

if(document.getElementById("din0"))
{x10();
document.write('<h3>About DIN</h3>')}
else
{document.write('<p><a href="../din/din_about.html">About Deutsches Institut f&uuml;r Normung</a></p>')}

if(document.getElementById("din1"))
{x10();
document.write('<h3>ISO - EN - DIN ?</h3>')}
else
{document.write('<p><a href="../din/iso_en_din.html">ISO - EN - DIN ?</a></p>')}

document.write('<h2>Dimensions</h2>')

if(document.getElementById("din3"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN10</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn10.html">Welding Neck Flange Type 11, PN10</a></p>')}

if(document.getElementById("din2"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN16</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn16.html">Welding Neck Flange Type 11, PN16</a></p>')}

if(document.getElementById("din4"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN25</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn25.html">Welding Neck Flange Type 11, PN25</a></p>')}

if(document.getElementById("din5"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN40</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn40.html">Welding Neck Flange Type 11, PN40</a></p>')}

if(document.getElementById("din6"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN63</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn63.html">Welding Neck Flange Type 11, PN63</a></p>')}

if(document.getElementById("din7"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN100</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn100.html">Welding Neck Flange Type 11, PN100</a></p>')}

if(document.getElementById("din8"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN160</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn160.html">Welding Neck Flange Type 11, PN160</a></p>')}

if(document.getElementById("din9"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN250</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn250.html">Welding Neck Flange Type 11, PN250</a></p>')}

if(document.getElementById("din10"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN320</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn320.html">Welding Neck Flange Type 11, PN320</a></p>')}

if(document.getElementById("din11"))
{x10();
document.write('<h3>Welding Neck Flange Type 11, PN400</h3>')}
else
{document.write('<p><a href="../din/dim_wn_flg_pn400.html">Welding Neck Flange Type 11, PN400</a></p>')}

document.write('</div></td>')


/*submenu STEAM*/
document.write('<td><div id="submenu_112" onmouseover="show_submenu_(112)" onclick="hide_submenu_(112)" onmouseout="hide_submenu_(112)">')

document.write('<h2>Steam and Condensate</h2>')

if(document.getElementById("stm1"))
{x112();
document.write('<h3>Steam - The Energy Fluid</h3>')}
else
{document.write('<p><a href="../steam/steam_part1.html">Steam - The Energy Fluid</a></p>')}

if(document.getElementById("stm2"))
{x112();
document.write('<h3>A basic overview of a steam system</h3>')}
else
{document.write('<p><a href="../steam/steam_part2.html">A basic overview of a steam system</a></p>')}

if(document.getElementById("stm3"))
{x112();
document.write('<h3>What is steam ?</h3>')}
else
{document.write('<p><a href="../steam/steam_part3.html">What is steam ?</a></p>')}

if(document.getElementById("stm3.1"))
{x112();
document.write('<h3>What is condensate ?</h3>')}
else
{document.write('<p><a href="../steam/steam_part3.1.html">What is condensate ?</a></p>')}

document.write('<h2>Steam traps</h2>')

if(document.getElementById("stm4"))
{x112();
document.write('<h3>What are and why steam traps ?</h3>')}
else
{document.write('<p><a href="../steam/steam_part4.html">What are and why steam traps ?</a></p>')}

if(document.getElementById("stm5"))
{x112();
document.write('<h3>Thermostatic steam traps</h3>')}
else
{document.write('<p><a href="../steam/steam_part5.html">Thermostatic steam traps</a></p>')}

if(document.getElementById("stm6"))
{x112();
document.write('<h3>Mechanical steam traps</h3>')}
else
{document.write('<p><a href="../steam/steam_part6.html">Mechanical steam traps</a></p>')}

if(document.getElementById("stm7"))
{x112();
document.write('<h3>Thermodynamic steam traps</h3>')}
else
{document.write('<p><a href="../steam/steam_part7.html">Thermodynamic steam traps</a></p>')}

document.write('<h2>Steam distribution</h2>')

if(document.getElementById("stm8"))
{x112();
document.write('<h3>Steam distribution system</h3>')}
else
{document.write('<p><a href="../steam/steam_part8.html">Steam distribution system</a></p>')}

if(document.getElementById("stm9"))
{x112();
document.write('<h3>Pipes and pipe sizing</h3>')}
else
{document.write('<p><a href="../steam/steam_part9.html">Pipes and pipe sizing</a></p>')}

if(document.getElementById("stm10"))
{x112();
document.write('<h3>Pipe expansion and supports</h3>')}
else
{document.write('<p><a href="../steam/steam_part10.html">Pipe expansion and supports</a></p>')}

document.write('<h2>Steam Tables</h2>')

if(document.getElementById("stmt"))
{x112();
document.write('<h3>Available Steam Tables</h3>')}
else
{document.write('<p><a href="../steam/steam_tables.html">Available Steam Tables</a></p>')}

document.write('</div></td>')


/*submenu others*/
document.write('<td><div id="submenu_11" style="width:750px; margin-left:-600px" onmouseover="show_submenu_(11)" onclick="hide_submenu_(11)" onmouseout="hide_submenu_(11)">')

document.write('<table style="width:750px" border="0" cellspacing="0" cellpadding="0"><tr><td>')

document.write('<h2>Welding general</h2>')

if(document.getElementById("oth1"))
{x11();
document.write('<h3>Welding Procedures</h3>')}
else
{document.write('<p><a href="../others/welding_proc.html">Welding Procedures</a></p>')}

if(document.getElementById("oth2"))
{x11();
document.write('<h3>Basic Welding Joints</h3>')}
else
{document.write('<p><a href="../others/welding_joints.html">Basic Welding Joints</a></p>')}

if(document.getElementById("oth3"))
{x11();
document.write('<h3>TIG Welding</h3>')}
else
{document.write('<p><a href="../others/welding_tig.html">TIG Welding</a></p>')}

if(document.getElementById("oth4"))
{x11();
document.write('<h3>MIG Welding</h3>')}
else
{document.write('<p><a href="../others/welding_mig.html">MIG Welding</a></p>')}

if(document.getElementById("oth5"))
{x11();
document.write('<h3>Electrode Welding</h3>')}
else
{document.write('<p><a href="../others/welding_electrode.html">Electrode Welding</a></p>')}

document.write('<h2>Bolts and Nuts</h2>')

if(document.getElementById("oth7"))
{x11();
document.write('<h3>Stud Bolts General</h3>')}
else
{document.write('<p><a href="../others/studs.html">Stud Bolts General</a></p>')}

if(document.getElementById("oth8"))
{x11();
document.write('<h3>Dimension Stud Bolts ASME B16.5</h3>')}
else
{document.write('<p><a href="../others/dim_studs.html">Dimension Stud Bolts ASME B16.5</a></p>')}

if(document.getElementById("oth9"))
{x11();
document.write('<h3>Calculating Stud Bolt Lengths</h3>')}
else
{document.write('<p><a href="../others/studs_calc.html">Calculating Stud Bolt Lengths</a></p>')}

document.write('<h2>Non destructive testing</h2>')

if(document.getElementById("ndt1"))
{x11();
document.write('<h3>Eddy Current testing</h3>')}
else
{document.write('<p><a href="../others/ndt_eddy_current.html">Eddy Current testing</a></p>')}

if(document.getElementById("ndt2"))
{x11();
document.write('<h3>Pressure testing</h3>')}
else
{document.write('<p><a href="../others/ndt_pressure_testing.html">Pressure testing</a></p>')}

if(document.getElementById("ndt3"))
{x11();
document.write('<h3>Pressure testing equipment</h3>')}
else
{document.write('<p><a href="../others/ndt_pressure_testing_equipment.html">Pressure testing equipment</a></p>')}

if(document.getElementById("ndt4"))
{x11();
document.write('<h3>Pressure testing in practice</h3>')}
else
{document.write('<p><a href="../others/ndt_pressure_testing_practice.html">Pressure testing in practice</a></p>')}

document.write('</td><td>')

document.write('<h2>Gaskets general</h2>')

if(document.getElementById("oth10"))
{x11();
document.write('<h3>Flange Gaskets general</h3>')}
else
{document.write('<p><a href="../others/gaskets.html">Flange Gaskets general</a></p>')}

document.write('<h2>Gaskets dimensions NPS &#189; - 24<br />ASME B16.20 / B16.21 / B16.5</h2>')

if(document.getElementById("oth11"))
{x11();
document.write('<h3>Non-Metallic Flat Gaskets</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_fl.html">Non-Metallic Flat Gaskets</a></p>')}

if(document.getElementById("oth12"))
{x11();
document.write('<h3>Spiral Wound Gaskets</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_sw.html">Spiral Wound Gaskets</a></p>')}

if(document.getElementById("oth13"))
{x11();
document.write('<h3>Grooved Gaskets (Camprofile)</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_gr.html">Grooved Gaskets (Camprofile)</a></p>')}

if(document.getElementById("oth14"))
{x11();
document.write('<h3>Metal-Jacketed Gaskets</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_ja.html">Metal-Jacketed Gaskets</a></p>')}

document.write('<h2>Gaskets dimensions NPS 26 - 60<br />ASME B16.20 / B16.21 / B16.47</h2>')

if(document.getElementById("oth17"))
{x11();
document.write('<h3>Non-Metallic Gaskets Series A</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_fl_series_a.html">Non-Metallic Gaskets Series A</a></p>')}

if(document.getElementById("oth15"))
{x11();
document.write('<h3>Spiral Wound Gaskets Series A</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_sw_series_a.html">Spiral Wound Gaskets Series A</a></p>')}

if(document.getElementById("oth18"))
{x11();
document.write('<h3>Non-Metallic Gaskets Series B</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_fl_series_b.html">Non-Metallic Gaskets Series B</a></p>')}

if(document.getElementById("oth16"))
{x11();
document.write('<h3>Spiral Wound Gaskets Series B</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_sw_series_b.html">Spiral Wound Gaskets Series B</a></p>')}

document.write('<h2>RTJ gasket dimensions and<br />tolerances ASME B16.20</h2>')

if(document.getElementById("rrtj"))
{x11();
document.write('<h3>Type R ASME B16.5 / B16.47</h3>')}
else
{document.write('<p><a href="../others/dim_gaskets_r_rtj.html">Type R ASME B16.5 / B16.47</a></p>')}

document.write('</td><td>')

document.write('<h2>Fossils into fuels</h2>')

if(document.getElementById("oil1"))
{x11();
document.write('<h3>Introduction to fossil fuels</h3>')}
else
{document.write('<p><a href="../others/fossil_fuels.html">Introduction to fossil fuels</a></p>')}

if(document.getElementById("oil2"))
{x11();
document.write('<h3>Exploration of oil and gas</h3>')}
else
{document.write('<p><a href="../others/oil_and_gas_exploration.html">Exploration of oil and gas</a></p>')}

if(document.getElementById("oil3"))
{x11();
document.write('<h3>Oil and gas extraction</h3>')}
else
{document.write('<p><a href="../others/oil_and_gas_well_drilling.html">Oil and gas extraction</a></p>')}

if(document.getElementById("oil4"))
{x11();
document.write('<h3>Transportation and Storage</h3>')}
else
{document.write('<p><a href="../others/oil_and_gas_transportation.html">Transportation and Storage</a></p>')}

if(document.getElementById("oil5"))
{x11();
document.write('<h3>Petroleum Refining Processes</h3>')}
else
{document.write('<p><a href="../others/petroleum_refining_processes.html">Petroleum Refining Processes</a></p>')}

if(document.getElementById("oil6"))
{x11();
document.write('<h3>Facts from the OIL industry</h3>')}
else
{document.write('<p><a href="../others/oil_glossary.html">Facts from the OIL industry</a></p>')}

if(document.getElementById("oil7"))
{x11();
document.write('<h3>Actual Crude Oil prices</h3>')}
else
{document.write('<p><a href="../others/oil_and_gas_prices.html">Actual Crude Oil prices</a></p>')}

if(document.getElementById("oil8"))
{x11();
document.write('<h3>Current global Oil reserves</h3>')}
else
{document.write('<p><a href="../others/oil_reserves.html">Current global Oil reserves</a></p>')}

if(document.getElementById("oil9"))
{x11();
document.write('<h3>The end of the Oil age</h3>')}
else
{document.write('<p><a href="../others/oil_age.html">The end of the Oil age</a></p>')}

document.write('</td></tr></table>')

document.write('</div></td>')

document.write('<td>&#160;</td></tr></table>')}
/*einde tabel menu*/

/*----------------------------------------------------------------------------------*/
function popitup_max(url){
newwindow=window.open(url,'a','scrollbars=yes,status=yes,toolbar=yes,resizable=yes,menubar=yes,top=0,left=0');
if (window.focus) {newwindow.focus()}
return false;}

function popitup_6(url){
newwindow=window.open(url,'c','width=800,scrollbars=yes,status=yes,toolbar=yes,resizable=yes,menubar=yes,top=10,left=10');
if (window.focus) {newwindow.focus()}
return false;}

/*layers tooltips zichtbaar en onzichtbaar maken*/
function show_ttip_(index){
var ws = "ttip_" + index + "";
document.getElementById(ws).style.display = 'block';}

function hide_ttip_(index){
var ws = "ttip_" + index + "";
document.getElementById(ws).style.display = 'none';}

/*layers remarks zichtbaar maken*/
function show_remarks_(index){
var ws = "remarks_" + index + "";
if(document.getElementById(ws).style.display == 'block')
hide_remarks();
else
{hide_remarks();
hide_panel();
document.getElementById(ws).style.display = 'block';}}

/*layers remarks onzichtbaar maken*/
function hide_remarks(){
var i=1;
while (i<=10){
if(document.getElementById('remarks_' + i +''))
document.getElementById('remarks_' + i +'').style.display = 'none';
i=i+1;}}

/*layers panel zichtbaar maken*/
function show_panel_(index){
var ws = "panel_" + index + "";
if(document.getElementById(ws).style.display == 'block')
hide_panel();
else
{hide_panel();
hide_remarks();
document.getElementById(ws).style.display = 'block';}}

/*layers panel onzichtbaar maken*/
function hide_panel(){
var i=1;
while (i<=100){
if(document.getElementById('panel_' + i +''))
document.getElementById('panel_' + i +'').style.display = 'none';
i=i+1;}}

/*layers qaa zichtbaar maken*/
function show_qaa_(index){
var ws = "qaa_" + index + "";
if(document.getElementById(ws).style.display == 'block')
hide_qaa();
else
{hide_qaa();
hide_remarks();
document.getElementById(ws).style.display = 'block';}}

/*layers qaa onzichtbaar maken*/
function hide_qaa(){
var i=1;
while (i<=150){
if(document.getElementById('qaa_' + i +''))
document.getElementById('qaa_' + i +'').style.display = 'none';
i=i+1;}}

/*layers afkortingen zichtbaar maken*/
function show_abb(index){
var ws = "abb" + index + "";
if(document.getElementById(ws).style.display == 'block')
hide_abb();
else
{hide_abb();
hide_remarks();
document.getElementById(ws).style.display = 'block';}}

/*layers afkortingen onzichtbaar maken*/
function hide_abb(){
var i=1;
while (i<=100){
if(document.getElementById('abb' + i +''))
document.getElementById('abb' + i +'').style.display = 'none';
i=i+1;}}

/*layers pagemenu zichtbaar maken*/
function show_pm_(index){
var pm = "pm_" + index + "";
if(document.getElementById('part_1'))
document.getElementById('part_1').innerHTML='';
pm_hide();
document.getElementById(pm).style.display = 'block'}

/*layers pagemenu onzichtbar maken*/
function pm_hide(){
var i=1;
while (i<=10){
if(document.getElementById('pm_' + i +''))
document.getElementById('pm_' + i +'').style.display = 'none';
i=i+1;}}

/*layer search (sbox) zichtbaar maken*/
function show_sbox(){
if(document.getElementById('sbox').style.display == 'block')
document.getElementById('sbox').style.display = 'none';
else
{document.getElementById('sbox').style.display = 'block';}}

/*mouse over show other image*/
function MM_swapImgRestore() {var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;}function MM_findObj(n, d) { var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);if(!x && d.getElementById) x=d.getElementById(n); return x;}function MM_swapImage() {var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}}


function j_footer(){
document.write('<h1>&#169; Werner Sölken 2008 - 2012. All rights reserved.</h1><h3>We can&#39;t solve problems by using the same kind of thinking we used when we created them. Albert Einstein</h3>');showAll();}
/*Peace cannot be kept by force. It can only be achieved by understanding. Albert Einstein*/
/*Imagination is more important than knowledge.  Albert Einstein*/
/*We can't solve problems by using the same kind of thinking we used when we created them. Albert Einstein*/