/***********************************************************************************
* (c) Ger Versluis 2000 version 5.411 24 December 2001 (updated Jan 31st, 2003 by Dynamic Drive for Opera7)
* For info write to menus@burmees.nl *
* You may remove all comments for faster loading *
***********************************************************************************/
var sw = window.innerWidth;
var menuwidth = 900;
var pos = (sw-menuwidth)/2;
var NoOffFirstLineMenus=7; // Number of first level items
var LowBgColor='#a7a7a7'; // Background color when mouse is not over
var LowSubBgColor='#a7a7a7'; // Background color when mouse is not over on subs
var HighBgColor='#c7c7c7'; // Background color when mouse is over
var HighSubBgColor='#c7c7c7'; // Background color when mouse is over on subs
var FontLowColor='#FFFFFF'; // Font color when mouse is not over
var FontSubLowColor='#FFFFFF'; // Font color subs when mouse is not over
var FontHighColor='red'; // Font color when mouse is over
var FontSubHighColor='red'; // Font color subs when mouse is over
var BorderColor='gray'; // Border color
var BorderSubColor='gray'; // Border color for subs
var BorderWidth=1; // Border width
var BorderBtwnElmnts=1; // Border between elements 1 or 0
var FontFamily="verdana,arial,comic sans ms,technical" // Font family menu items
var FontSize=8; // Font size menu items
var FontBold=0; // Bold menu items 1 or 0
var FontItalic=0; // Italic menu items 1 or 0
var MenuTextCentered='center'; // Item text position 'left', 'center' or 'right'
var MenuCentered='left'; // Menu horizontal position 'left', 'center' or 'right'
var MenuVerticalCentered='top'; // Menu vertical position 'top', 'middle','bottom' or static
var ChildOverlap=.2; // horizontal overlap child/ parent
var ChildVerticalOverlap=.2; // vertical overlap child/ parent
var StartTop=190; // Menu offset x coordinate
var StartLeft=pos; // Menu offset y coordinate
var VerCorrect=0; // Multiple frames y correction
var HorCorrect=0; // Multiple frames x correction
var LeftPaddng=2; // Left padding
var TopPaddng=2; // Top padding
var FirstLineHorizontal=1; // SET TO 1 FOR HORIZONTAL MENU, 0 FOR VERTICAL
var MenuFramesVertical=1; // Frames in cols or rows 1 or 0
var DissapearDelay=500; // delay before menu folds in milliseconds
var TakeOverBgColor=1; // Menu frame takes over background color subitem frame
var FirstLineFrame='navig'; // Frame where first level appears
var SecLineFrame='space'; // Frame where sub levels appear
var DocTargetFrame='space'; // Frame where target documents appear
var TargetLoc=''; // span id for relative positioning
var HideTop=0; // Hide first level when loading new document 1 or 0
var MenuWrap=1; // enables/ disables menu wrap 1 or 0
var RightToLeft=0; // enables/ disables right to left unfold 1 or 0
var UnfoldsOnClick=0; // Level 1 unfolds onclick/ onmouseover
var WebMasterCheck=0; // menu tree checking on or off 1 or 0
var ShowArrow=1; // Uses arrow gifs when 1
var KeepHilite=1; // Keep selected path highligthed
var Arrws=['../tri.gif',5,10,'../tridown.gif',10,5,'../trileft.gif',5,10]; // Arrow source, width and height
var d=new Date();
function BeforeStart(){return}
function AfterBuild(){return}
function BeforeFirstOpen(){return}
function AfterCloseAll(){return}
// Menu tree
// MenuX=new Array(Text to show, Link, background image (optional), number of sub elements, height, width);
// For rollover images set "Text to show" to: "rollover:Image1.jpg:Image2.jpg"
Menu1=new Array("Home","../index.asp","",4,20,65);
//Menu1_1=new Array("Guestbook","../Guestbook/post.asp","",0,15,130);
Menu1_1=new Array("Contact","../EmailForm.asp","",0,15,130);
Menu1_2=new Array("Announcement","../announcement.asp","",0,15,130)
Menu1_3=new Array("Disclaimer","../Disclaimer.asp","",0,15,130);
//Menu1_4=new Array("
Are you ready? Biorhythm Calculator","Bio.asp","",0,30,130);
// nothing to sale
Menu1_4=new Array("For Sale (2)","../ForSale.asp?s=ysig18200","",0,15,155);
// something to sale
//Menu1_5=new Array(" For Sale","ForSale.asp?s=epujabanorafarav","",0,15,160);
Menu2=new Array("Loudspeakers","#","",8,20,110);
Menu2_1=new Array("General","#","JSMenu/MenuBG.jpg",9,15,160);
Menu2_1_1=new Array("Loudspeaker History","../Audio Tips.asp?what=SpkHistory","",0,15,160);
Menu2_1_2=new Array("Loudspeaker Basics","../LoudspeakerBasics.asp","",0,15,160);
//Menu2_1_3=new Array("Database","SQL7/search loudspeaker.asp","",0,15,160);
Menu2_1_3=new Array("What are TSP's","../TSP_ex.asp","",0,15,160);
Menu2_1_4=new Array("Closed Systems","../SealedLoudspeaker.asp","",0,15,160);
Menu2_1_5=new Array("Vented Systems","../BassReflexLoudspeaker.asp","JSMenu/MenuBG.jpg",1,15,160);
Menu2_1_5_1=new Array(" Passive Radiator","../PassiveRadiator.asp","",0,15,160);
Menu2_1_6=new Array("Transmission Line","#","JSMenu/MenuBG.jpg",2,15,160);
Menu2_1_6_1=new Array("TML System Basics","../Transmission Line Loudspeakers.asp","",0,15,160);
Menu2_1_6_2=new Array("TML Calculator","../spk_calc.asp#transmissionline","",0,15,160);
Menu2_1_7=new Array("Horns","#","JSMenu/MenuBG.jpg",2,15,160);
Menu2_1_7_1=new Array("BassHorn","../Horn/BassHorn.asp","",0,15,160);
Menu2_1_7_2=new Array("ExpoHorn","../Horn/GExpoHorn.asp","",0,15,160);
Menu2_1_8=new Array("ESL-Principles","../ElectrostaticLoudspeaker.asp","",0,15,160);
Menu2_1_9=new Array(" Linkwitz Transformation Basics","#","JSMenu/MenuBG.jpg",2,25,160);
Menu2_1_9_1=new Array(" Linkwitz Transformation Basics","../Linkwitz/LinkwitzTransformation.asp","",0,25,160);
Menu2_1_9_2=new Array(" Linkwitz Transformatio Calculations","../Linkwitz/Transformation.asp","",0,25,160);
Menu2_2=new Array("Online Calculator","../spk_calc.asp","JSMenu/MenuBG.jpg",4,15,140);
//Menu2_2_1=new Array(" Basic Tube Calculations","TubeCalculations.asp","",0,15,170);
Menu2_2_1=new Array("Calculate RIAA","../CalculateRIAA.asp","",0,15,170);
Menu2_2_2=new Array(" Baffle Diffraction Loss","../BDL.asp","",0,15,170);
Menu2_2_3=new Array(" Linkwitz Transformation Calculations","../Linkwitz/Transformation.asp","",0,25,160);
Menu2_2_4=new Array("Speaker Protection","../SpeakerProtection.asp","",0,15,160);
Menu2_3=new Array("Measurements","../Measuring_Loudspeakers.asp","JSMenu/MenuBG.jpg",3,15,120);
Menu2_3_1=new Array("Analog","../Measuring_Loudspeakers.asp","",0,15,120);
Menu2_3_2=new Array("Computer","#","JSMenu/MenuBG.jpg",2,15,120);
Menu2_3_2_1=new Array("Acoustical","../Measuring_LoudspeakersComp.asp","",0,15,120);
Menu2_3_2_2=new Array("Electrical","../Measuring_LoudspeakersCompElectrical.asp","",0,15,120);
Menu2_3_3=new Array("RIAA filter","","JSMenu/MenuBG.jpg",2,15,120);
Menu2_3_3_1=new Array("RIAA filter","../RIAAmeasurement.asp","",0,15,120);
Menu2_3_3_2=new Array("Calculate RIAA","../CalculateRIAA.asp","",0,15,120);
Menu2_4=new Array("Measurement Techniques","#","JSMenu/MenuBG.jpg",3,15,165);
Menu2_4_1=new Array("Farfield","../Farfield.asp","",0,15,120);
Menu2_4_2=new Array("Nearfield","../Nearfield.asp","",0,15,120);
Menu2_4_3=new Array("Ground-plane","../Groundplane.asp","",0,15,120);
Menu2_5=new Array("Measurement Data","../MessData.asp","",0,15,165);
Menu2_6=new Array("Speaker Calculator","../SpeakerCalculator/index.asp","",0,15,165);
Menu2_7=new Array("Speaker Glossary","../SpeakerGlossary.asp","",0,15,165);
Menu2_8=new Array("Enclosure Calculator","../CalculateEnclosures.asp","",0,15,165);
Menu3=new Array("My System","#","",1,20,95);
Menu3_1=new Array("Hi Fi System","../MySystem/HiFi.asp","",0,20,140);
Menu3_2=new Array("You Might Be A Tube-Neck If ... ","http://www.rru.com/~meo/Guitar/Tubes/tn.pl","",0,30,140);
// Menu3_1_1 = new Array("Passive Pre Amplifier","MySystem/HiFi.asp#Top","",2,20,140);
// Menu3_1_1_1 = new Array("Transformer Attenuator","MySystem/HiFi.asp#Top","",0,20,140);
// Menu3_1_1_2 = new Array("Stepped Attenuator","MySystem/SteppedAtt.asp","",0,20,140);
// Menu3_1_2 = new Array("240V Mains Filter","MySystem/HiFi.asp#2","",0,20,140);
// Menu3_1_3 = new Array("Tube Buffer Amplifier","MySystem/HiFi.asp#3","",0,20,140);
Menu4=new Array("Acoustics","#'","",4,20,85);
Menu4_1=new Array("About Acoustics","../RoomAcoustic.asp","JSMenu/MenuBG.jpg",1,15,180);
Menu4_1_1=new Array(" Diffusor Basics","../DiffuserBasics.asp","",0,15,180);
Menu4_2=new Array("Acoustic Calculator","../user/acoustic calculator.asp","",0,15,180);
Menu4_3=new Array("Acoustic Glossary","../AcousticGlossary.asp","",0,15,180);
Menu4_4=new Array("Absorption factors (Excel)","../downloads/abstab_wf.xls","",0,15,180);
Menu5=new Array("Links","#","",2,20,60);
//Menu5_1=new Array("Links","SQL7/Search_Links.asp","",0,15,110);
Menu5_1=new Array("Manufacturers","../merken/manufactors.asp","",0,15,110);
Menu5_2=new Array("Tweak Sites","../SQL7/DIYLinks.asp","",0,15,110);
Menu6=new Array("Downloads","#","",3,20,95);
//Menu6_1=new Array("Downloads","SQL7/ViewDownloadFiles.asp","",0,15,120);
Menu6_1=new Array("Speaker Calculator","../SpeakerCalculator/index.asp","",0,15,120);
Menu6_2=new Array("Acoustic Calculator","../user/acoustic calculator.asp","",0,15,120);
Menu6_3=new Array("Diverse Downloads","../sql7/ViewDownloadFiles.asp","",0,15,120);
Menu7=new Array("Tips...","#","",10,20,80);
Menu7_1=new Array("AC Power","../Audio Tips.asp?what=Power","",0,15,110);
Menu7_2=new Array("Loudspeakers","#","JSMenu/MenuBG.jpg",3,15,110);
Menu7_2_1=new Array("History","../Audio Tips.asp?what=SpkHistory","",0,15,110);
Menu7_2_2=new Array("Loudspeakers","../Audio Tips.asp?what=Loudspeakers","",0,15,110);
Menu7_2_3=new Array("Manufactueres","../Audio Tips.asp?what=listspeakers","",0,15,110);
Menu7_3=new Array("Acoustic","../Audio Tips.asp?what=Acoustic","",0,15,110);
Menu7_4=new Array("Turntable","#","JSMenu/MenuBG.jpg",8,15,110);
Menu7_4_1 = new Array("History","../Audio Tips.asp?what=tthistory","",0,15,220);
Menu7_4_2 = new Array("Turntable","../Audio Tips.asp?what=Turntable","",0,15,110);
Menu7_4_3 = new Array("Audiophile LP's","../Audio Tips.asp?what=audiolps","",0,15,220);
//Menu7_4_4 = new Array("Cartridge Alignment Protractors","Protractors.asp","",0,15,220);
Menu7_4_4 = new Array("Tonearm/Cartridge Capability","../MySystem/RF.asp","",0,15,220);
//Menu7_4_6 = new Array("Tonearm Specifications","Tonearms/TonearmDB.asp","",0,15,220);
Menu7_4_5 = new Array("MM Cartridge Specifications","../MMCartridgeSpecification.htm","",0,15,2420);
Menu7_4_6 = new Array("MC Cartridge Specifications","../MovingcoilcartridgeSpecification.htm","",0,15,220);
Menu7_4_7 = new Array("Step-Up Transformer","../StepUp Transformer.asp","",0,15,220);
Menu7_4_8 = new Array("Cleaning Vinyl","../Audio Tips.asp?what=cleanlp","",0,15,220);
Menu7_5=new Array("CD","#","JSMenu/MenuBG.jpg",3,15,110);
Menu7_5_1 = new Array("CD History","../Audio Tips.asp?what=cdhistory","",0,15,110);
Menu7_5_2 = new Array("CD","../Audio Tips.asp?what=CD","",0,15,110);
Menu7_5_3 = new Array("Audiophile DC's","../Audio Tips.asp?what=audiocds","",0,15,110);
Menu7_6 = new Array("DIY Cable","#","JSMenu/MenuBG.jpg",3,15,110);
Menu7_6_1 = new Array("DIY Interconnect","#","",1,15,140);
Menu7_6_1 = new Array("DIY Interconnect 1","../Audio Tips.asp?what=diycable","",0,15,140);
Menu7_6_2 = new Array("DIY Speaker Cable","#","",1,15,140);
Menu7_6_2 = new Array("DIY Speaker Cable 1","../Audio Tips.asp?what=diyspeakercable","",0,15,140);
Menu7_6_3 = new Array("DIY Power Cable","#","",0,15,140);
Menu7_6_3 = new Array("DIY Power Cable 1","../Audio Tips.asp?what=diypowercable","",0,15,140);
Menu7_7=new Array("FAQ's","#","JSMenu/MenuBG.jpg",2,15,110);
Menu7_7_1=new Array("FAQ Cables","../Audio Tips.asp?what=cables","JSMenu/MenuBG.jpg",1,15,110);
Menu7_7_1_1=new Array("AWG to square mm Wire Gauge Conversion","../Audio Tips.asp?what=gauge","",0,30,200);
Menu7_7_2=new Array("FAQ Phono","../Audio Tips.asp?what=phono","",0,15,110);
Menu7_8=new Array("How to...","#","JSMenu/MenuBG.jpg",6,20,85);
Menu7_8_1=new Array("Test capacitor","../Audio Tips.asp?what=testcapacitor","",0,15,220);
Menu7_8_2=new Array("Dead electrolytic capacitor","../Audio Tips.asp?what=deadcapacitor","",0,15,220);
Menu7_8_3=new Array("Test Transformers","../Audio Tips.asp?what=testtransformer","",0,15,220);
Menu7_8_4=new Array("Building your own antenna isolators","../Audio Tips.asp?what=antenna","",0,15,220);
Menu7_8_5=new Array("Measure speaker cabinet vibrations","../Audio Tips.asp?what=vibrations","",0,30,220);
Menu7_8_6=new Array("How to build a simple contact microphone","../Audio Tips.asp?what=contactmic","",0,30,220);
Menu7_9=new Array("History","#","JSMenu/MenuBG.jpg",4,20,70);
Menu7_9_1=new Array("Loudspeaker","../Audio Tips.asp?what=SpkHistory","",0,15,110);
//Menu9_1_1=new Array("Manufactueres","../Audio Tips.asp?what=listspeakers","",0,15,110);
Menu7_9_2=new Array("Turntable","#","JSMenu/MenuBG.jpg",2,15,110);
Menu7_9_2_1=new Array("Turntable","../Audio Tips.asp?what=tthistory","",0,15,110);
Menu7_9_2_2=new Array("Laser Turntable","../Audio Tips.asp?what=laserturntable","",0,15,110);
Menu7_9_3=new Array("Compact Disc","../Audio Tips.asp?what=cdhistory","",0,15,110);
Menu7_9_4=new Array("Vacuum Tube","#","JSMenu/MenuBG.jpg",2,15,110);
Menu7_9_4_1=new Array("Vacuum Tube","../Audio Tips.asp?what=tubehistory","",0,15,110);
Menu7_9_4_2=new Array("Tube Basics","../Audio Tips.asp?what=TubeBasics","",0,15,110);
Menu7_10 = new Array("Articles","#","JSMenu/MenuBG.jpg",17,20,75);
Menu7_10_1=new Array("SPL Meter Characteristics","../Audio Tips.asp?what=splmeter","",0,15,220);
Menu7_10_2=new Array("Measurement Preamp","../Audio Tips.asp?what=MeasurePreAmp","",0,15,220);
Menu7_10_3 = new Array("CD Jitter + Timing","#","JSMenu/MenuBG.jpg",2,15,220);
Menu7_10_3_1 = new Array("CD Jitter Problem","../Audio Tips.asp?what=cdjitter","",0,15,220);
Menu7_10_3_2 = new Array("Timing Errors and Jitter","../Audio Tips.asp?what=timingerrors","",0,15,220);
Menu7_10_4 = new Array("Stepped Attenuator","../Audio Tips.asp?what=steppedattenuator","",0,15,220);
Menu7_10_5 = new Array("Tubes","#","JSMenu/MenuBG.jpg",3,15,110);
Menu7_10_5_1 = new Array("Power Supply","../Audio Tips.asp?what=tubepowersupply","",0,15,220);
Menu7_10_5_2 = new Array("Negative Feedback","../Audio Tips.asp?what=negativefeedback","",0,15,220);
Menu7_10_5_3 = new Array("Biasing","../Audio Tips.asp?what=biasing","",0,15,220);
Menu7_10_6 = new Array("Loudness","../Audio Tips.asp?what=loudness","",0,15,220);
Menu7_10_7 = new Array("There's Life Above 20kHz! ","../Audio Tips.asp?what=above20khz","",0,15,220);
Menu7_10_8 = new Array("How many watts do I need?","../Audio Tips.asp?what=manywatts","",0,15,220);
Menu7_10_9 = new Array("Plasma Loudspeaker","../Audio Tips.asp?what=plasma","",0,15,220);
Menu7_10_10 = new Array("Dipole Loudspeaker","../Audio Tips.asp?what=dipolspeaker","",0,15,220);
Menu7_10_11 = new Array("Proper Signal (Time) Alignment","../Audio Tips.asp?what=timealignment","",0,15,220);
Menu7_10_12 = new Array("The best speaker is the one you don't hear.","../Audio Tips.asp?what=manger","",0,30,220);
Menu7_10_13 = new Array("Mains filtering: a great idea which falls flat in practice","../Audio Tips.asp?what=mainfilter","",0,30,220);
Menu7_10_14 = new Array("Shocking!","../Audio Tips.asp?what=shocking","",0,15,220);
Menu7_10_15 = new Array("The Worlds first True Subwoofer","../Audio Tips.asp?what=rotarywoofer","",0,15,220);
Menu7_10_16 = new Array("Headphone measurements","../Audio Tips.asp?what=headphonemeasurements","",0,15,220);
Menu7_10_17 = new Array("HD-AAC","../Audio Tips.asp?what=hdaac","",0,15,220);