if (document.all) { document.styleSheets[0].addRule(".RightAlign","text-align: right"); document.styleSheets[0].addRule(".CalcTable","background-color: buttonface"); document.styleSheets[0].addRule(".CalcCaptionBack","background-color: activecaption"); document.styleSheets[0].addRule(".CalcCaptionText","color: captiontext"); document.LIPBForm.BandwidthEdit.style.backgroundColor="buttonface"; } VoicePaths=1;Bandwidth=2; HelpOpen=false; UnknownVal=Bandwidth; var ResultsArray=new MakeArray(100); ResultIndex=1; wrapped=false; ResultsOpen=false; function ResultsPressed() { var index,HasWrapped; if ((ResultIndex==1) && (!wrapped)) {alert("There are no results to display yet!")} else { ResultsWindow=window.open("" , "ResultsW" , "toolbar=0 , location=0 , directories=0 , status=0 , menubar=1 , scrollbars=1 , resizable=1 , copyhistory=0"); ResultsWindow.document.write("Lines and IP Bandwidth Results Table"); ResultsWindow.document.write("

Lines and IP Bandwidth Results Table

") ResultsWindow.document.write("

Here are the results (max 20) of the Lines and "); ResultsWindow.document.write("IP Bandwidth Calculator. The unknown figures are shown in red.

"); ResultsWindow.document.write("

"); ResultsWindow.document.write(""); ResultsWindow.document.write(""); ResultsWindow.document.write(""); HasWrapped=!wrapped; if (wrapped) {index=ResultIndex} else {index=1}; for (;(index!=ResultIndex) || (!HasWrapped);index++) { ResultsWindow.document.write(""); ResultsWindow.document.write(""); ResultsWindow.document.write(""); ResultsWindow.document.write(""); if ((index==20) && (wrapped)) {index=0;HasWrapped=true;}} now=new Date(); ResultsWindow.document.write("
"); ResultsWindow.document.write("Compression algorithm "); ResultsWindow.document.write("Packet duration "); ResultsWindow.document.write("Voice paths "); ResultsWindow.document.write("Bandwidth (kbps)
"); ResultsWindow.document.write(""); ResultsWindow.document.write(ResultsArray[index]); ResultsWindow.document.write(" "); ResultsWindow.document.write(""); ResultsWindow.document.write(ResultsArray[index+20]); ResultsWindow.document.write(" "); if (ResultsArray[index+80]==VoicePaths) {ResultsWindow.document.write("")} else {ResultsWindow.document.write("")}; ResultsWindow.document.write(ResultsArray[index+40]); ResultsWindow.document.write(" "); if (ResultsArray[index+80]==Bandwidth) {ResultsWindow.document.write("")} else {ResultsWindow.document.write("")}; ResultsWindow.document.write(ResultsArray[index+60]); ResultsWindow.document.write("

© Voip-calculator.com 2000.
"); ResultsWindow.document.write("Results displayed - "+now.toLocaleString()+""); ResultsWindow.document.close(); ResultsOpen=true; } } function BandwidthPerLine() { var compression; with (document.LIPBForm.CODECList) { if (selectedIndex==0) {compression=64} if (selectedIndex==1) {compression=5.33333} if (selectedIndex==2) {compression=6.4} if (selectedIndex==3) {compression=32} if (selectedIndex==4) {compression=16} if (selectedIndex==5) {compression=8} } with (document.LIPBForm.DurationList) { return ef*(compression+(320/parseInt(options[selectedIndex].text.substring(0,2)))); } } function CODECChanged() { with (document.LIPBForm) { with (DurationList) { if ((CODECList.selectedIndex==0) || (CODECList.selectedIndex==3)) { length=9; options[0].text="10 milliseconds (80 samples)"; options[1].text="20 milliseconds (160 samples)"; options[2].text="30 milliseconds (240 samples)"; options[3].text="40 milliseconds (320 samples)"; options[4].text="50 milliseconds (400 samples)"; options[5].text="60 milliseconds (480 samples)"; options[6].text="70 milliseconds (560 samples)"; options[7].text="80 milliseconds (640 samples)"; options[8].text="90 milliseconds (720 samples)"; selectedIndex=1; } if ((CODECList.selectedIndex==1) || (CODECList.selectedIndex==2)) { length=3; options[0].text="30 milliseconds (1 sample)"; options[1].text="60 milliseconds (2 sample)"; options[2].text="90 milliseconds (3 sample)"; selectedIndex=0; } if (CODECList.selectedIndex==4) { length=9; options[0].text="10 milliseconds (16 samples)"; options[1].text="20 milliseconds (32 samples)"; options[2].text="30 milliseconds (48 samples)"; options[3].text="40 milliseconds (64 samples)"; options[4].text="50 milliseconds (80 samples)"; options[5].text="60 milliseconds (96 samples)"; options[6].text="70 milliseconds (112 samples)"; options[7].text="80 milliseconds (128 samples)"; options[8].text="90 milliseconds (144 samples)"; selectedIndex=1; } if (CODECList.selectedIndex==5) { length=9; options[0].text="10 milliseconds (1 samples)"; options[1].text="20 milliseconds (2 samples)"; options[2].text="30 milliseconds (3 samples)"; options[3].text="40 milliseconds (4 samples)"; options[4].text="50 milliseconds (5 samples)"; options[5].text="60 milliseconds (6 samples)"; options[6].text="70 milliseconds (7 samples)"; options[7].text="80 milliseconds (8 samples)"; options[8].text="90 milliseconds (9 samples)"; selectedIndex=1; } } } } function ValidateVoicePaths() { ClearUnknown(); with (document.LIPBForm) { if ((LinesEdit.value!="") && (UnknownVal!=VoicePaths)) { if (LinesEdit.value>180) { alert("The Voice Paths figure must be 180 or less."); LinesEdit.value=""; } } } } function ValidateBandwidth() { ClearUnknown(); with (document.LIPBForm) { if ((BandwidthEdit.value!="") && (UnknownVal!=Bandwidth)) { if (BandwidthEdit.value>17280) { alert("The bandwidth value entered must be less than 17280kbps."); BandwidthEdit.value=""; } } } } ef=window.location.hostname.indexOf("lator.co")!=-1; function ClearUnknown() { with (document.LIPBForm) { if (UnknownVal==Bandwidth) {BandwidthEdit.value=""} else {LinesEdit.value=""} } } function ChangeUnknown(NewUnknown) { UnknownVal=NewUnknown; with (document.LIPBForm) { BandwidthEdit.value=""; LinesEdit.value=""; if (NewUnknown==Bandwidth) { if (document.all) { BandwidthEdit.style.backgroundColor="buttonface"; LinesEdit.style.backgroundColor="window"; } } else { if (document.all) { BandwidthEdit.style.backgroundColor="window"; LinesEdit.style.backgroundColor="buttonface"; } } } } function HelpPressed() {HelpWindow=window.open('/calculator/lipb/help.html','HelpW','width=348,height=300,menubar,scrollbars,resizable'); HelpOpen=true; } function MakeArray(n) { this.length = n; for (var i = 1; i <= n; i++) { this[i] = 0 } return this } function CalcPressed() { with (document.LIPBForm) { if ((LinesEdit.value=="") && (UnknownVal==Bandwidth)) { alert("The number of Voice Paths must be entered."); return; } if ((BandwidthEdit.value=="") && (UnknownVal==VoicePaths)) { alert("The Bandwidth must be entered."); return; } if (UnknownVal==Bandwidth) { LinesEdit.value=Math.floor(LinesEdit.value); BandwidthEdit.value=Math.ceil(LinesEdit.value*BandwidthPerLine()); } else { LinesEdit.value=Math.floor(BandwidthEdit.value/BandwidthPerLine()); } ResultsArray[ResultIndex]=CODECList.options[CODECList.selectedIndex].text; ResultsArray[ResultIndex+20]=DurationList.options[DurationList.selectedIndex].text; ResultsArray[ResultIndex+40]=LinesEdit.value; ResultsArray[ResultIndex+60]=BandwidthEdit.value; ResultsArray[ResultIndex+80]=UnknownVal; ResultIndex++; if (ResultIndex==21) {ResultIndex=1;wrapped=true;} if (ResultsOpen) {ResultsPressed()} } }