// give document a nickname
var d = document;
//check for ie using objects but ignore opera
var winIE = (navigator.userAgent.indexOf("Opera")==-1 && (d.getElementById &&  d.documentElement.behaviorUrns))  ? true : false; //check if the browser is ie
// do not frame me
if(top != self) {top.location=self.location;}

 //left nav rollover menu dom and rollover method
goLftNav = function() {
	if (d.all && d.getElementById && d.getElementById("ldnav")) {
		
	navRoot = d.getElementById("ldnav");

	for (i=0; i<navRoot.childNodes.length; i++) {
	 
		
	node = navRoot.childNodes[i];
	if (node.nodeName=="LI" && node.className=="navHd" ) {

	node.onmouseover=function() {
	this.className=" over navHd";
	 }
	node.onmouseout=function() {
	this.className=this.className.replace(" over", "navHd");
  }
				
	}
	else if (node.nodeName=="LI" && node.className!="navHd" ) {

	node.onmouseover=function() {
	this.className=" over";
	 }
	node.onmouseout=function() {
	this.className=this.className.replace(" over", "");

	  }
				
	  }
	 }
	}
}

	/*end new hack*/
	
//initiate procedure
if(typeof window.addEventListener != 'undefined') {
  //gecko, safari, konqueror and standard
  window.addEventListener('load', init, false);
} else if(typeof document.addEventListener != 'undefined') {
  //opera 7
  document.addEventListener('load', init, false);
} else if(typeof window.attachEvent != 'undefined') {
  //win/ie
  window.attachEvent('onload', init);
} else {
  //mac/ie5 and anything else that gets this far
  if(typeof window.onload == 'function') {
    var existing = onload;
    window.onload = function() {
      existing();
      init();
    };
  } else {
    window.onload = init;
  }
};

function init(){
	addTabImages();
	if(winIE) {	goLftNav();}
//bodyWidth();
 }
 
 

 
function Querystring()
{
// get the query string, ignore the ? at the front.
	var querystring=location.search.substring(1,location.search.length);
// parse out name/value pairs separated via &
	var args = querystring.split('&');
// split out each name = value pair
	for (var i=0;i<args.length;i++)
	{
		var pair = args[i].split('=');

		// Fix broken unescaping
		temp = unescape(pair[0]).split('+');
		name = temp.join(' ');

		temp = unescape(pair[1]).split('+');
		value = temp.join(' ');

		this[name]=value;
	}
	this.get=Querystring_get;
}
function Querystring_get(strKey,strDefault)
{
	var value=this[strKey];
	if (value==null)
	{
		value=strDefault;
	}

	return value;
}

/* tcode marketing tracking - added 15 Aug 2007 JF */
var tc = new Querystring();
if(tc.get('tcode','') != ''){
    document.cookie = "tcode="+encodeURI(tc.get("tcode")) + ";path=/;domain=.tek.com;";
}

function getTcode() {
    //see if cookie exists
    var nameEQ = "tcode=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0){
            return c.substring(nameEQ.length,c.length);
        }
    }
    return "";
}

function checknew(date) {
	expdate = new Date(date);
	curdate = new Date();
	if (expdate.getTime() > curdate.getTime())
		document.write("&nbsp;<span class='colorem'><b>NEW</b></span>");
}
 
/* OLD (remove for go live)   / for product hub page tabs 6-29-06 JD
function setTabVisibility (ad,numoftabs) {
    for(i=0;i<=numoftabs;i++) {
	    if (i == ad){
	    	document.getElementById("content" + i).style.display = "inline";
	    	document.getElementById("tab" + i).className = "current";
	    }
	    else {
	    	document.getElementById("content" + i).style.display = "none";
	    	document.getElementById("tab" + i).className = "";
	    }
	}
} 
*/
 
// ***** BEGIN ***** Product Hub page tabs - JJ 04-07
function addTabImages() { // called from init()
	if (d.getElementById("tabs")){
	document.getElementById('tabs').innerHTML += '<img src="http://www.tek.com/_css/graphics/tabs-topleft0407.gif" class="rc-topleft current" id="first-tab" width="9" height="10" /><img src="http://www.tek.com/_css/graphics/tabs-topright0407.gif" class="rc-topright" id="last-tab" width="11" height="26" />';
	}
}

function setTabVisibility (num,numOfTabs) {
	
	for(i=0;i<=numOfTabs;i++) {
	    if (i == num){
	    	document.getElementById("content" + i).style.display = "block";
	    	document.getElementById("tab" + i).className = "current";
	    	if (i == 0) {
	    		document.getElementById('first-tab').className = "rc-topleft current";
    		} else if (i == numOfTabs) {
    			document.getElementById('last-tab').className = "rc-topright current";
    			document.getElementById('tab'+numOfTabs).className = "current last";
			}
	    } else {
	    	document.getElementById("content" + i).style.display = "none";
	    	document.getElementById("tab" + i).className = "";
	    	if (i == 0) {
	    		document.getElementById('first-tab').className = "rc-topleft";
    		} else if (i == numOfTabs) {
    			document.getElementById('last-tab').className = "rc-topright";
    			document.getElementById('tab'+numOfTabs).className = "last";
			}
	    }
	}
	

	
}
// ***** END ***** Product Hub page tabs - JJ 04-07

// for product hub page comparison function 7/6/06 JD
function checkCompSelection(form){

var arrayLength = form.prod.length;
var total = 0;
var p = "";
var myDomain = document.domain;
var source = "scopes_en";
if(document.prodlist.datasource){
	source = document.prodlist.datasource.value;
}

	for (var i=0; i<arrayLength; i++){
		if(document.prodlist.prod[i].checked){
    		total += 1;
			p += document.prodlist.prod[i].value +'%20';
   		}
	}

	if ( (total <= 1) || (total > 4) ){
    	alert("You must select 2-4 products to compare!");
	}

	else {
		if(myDomain == "webdev01.tek.com"){
				document.location.href= '/Measurement/cgi-bin/framed.pl?FrameSet=mbd&Document=http://owebdvl1.tek.com/prodcompare/index.jsp?p='+p+'%26data='+source;
		}
		else if (myDomain == "webtst01.tek.com"){
			document.location.href= '/Measurement/cgi-bin/framed.pl?FrameSet=mbd&Document=http://owebtst1.tek.com/prodcompare/index.jsp?p='+p+'%26data='+source;
		}
		else if (myDomain == "www.tek.com"){
			document.location.href= '/Measurement/cgi-bin/framed.pl?FrameSet=mbd&Document=http://www2.tek.com/prodcompare/index.jsp?p='+p+'%26data='+source;
		}
	//	document.location.href= "/Measurement/cgi-bin/framed.pl?Document=http://owebdvl1.tek.com/prodcompare/index.jsp?p="+p+"&FrameSet=mbd";
	}

}

<!-- START OF SDC Advanced Tracking Code -->
<!-- Copyright (c) 1996-2007 WebTrends Inc.  All rights reserved. -->
<!-- V8.0 -->
<!-- $DateTime: 2007/02/16 11:44:56 $ -->
<!-- <SCRIPT TYPE="text/javascript"><!--
var gService = false;
var gTimeZone = -8;
// Code section for Enable First-Party Cookie Tracking
function dcsCookie(){
 if (typeof(dcsOther)=="function"){
  dcsOther();
 }
 else if (typeof(dcsPlugin)=="function"){
  dcsPlugin();
 }
 else if (typeof(dcsFPC)=="function"){
  dcsFPC(gTimeZone);
 }
}
function dcsGetCookie(name){
 var pos=document.cookie.indexOf(name+"=");
 if (pos!=-1){
  var start=pos+name.length+1;
  var end=document.cookie.indexOf(";",start);
  if (end==-1){
   end=document.cookie.length;
  }
  return unescape(document.cookie.substring(start,end));
 }
 return null;
}
function dcsGetCrumb(name,crumb){
 var aCookie=dcsGetCookie(name).split(":");
 for (var i=0;i<aCookie.length;i++){
  var aCrumb=aCookie[i].split("=");
  if (crumb==aCrumb[0]){
   return aCrumb[1];
  }

 }
 return null;
}
function dcsGetIdCrumb(name,crumb){
 var cookie=dcsGetCookie(name);
 var id=cookie.substring(0,cookie.indexOf(":lv="));
 var aCrumb=id.split("=");
 for (var i=0;i<aCrumb.length;i++){
  if (crumb==aCrumb[0]){
   return aCrumb[1];
  }
 }
 return null;
}
function dcsIsFpcSet(name,id,lv,ss){
	if (id==dcsGetIdCrumb(name,"id")){
		if (lv==dcsGetCrumb(name,"lv")){
		   	if (ss=dcsGetCrumb(name,"ss")){
				return true;
			}
		}
	}
	return false;
}
function dcsFPC(offset){
 if (typeof(offset)=="undefined"){
  return;
 }
 if (document.cookie.indexOf("WTLOPTOUT=")!=-1){
  return;
 }
 var name=gFpc;
 var dCur=new Date();
 var adj=(dCur.getTimezoneOffset()*60000)+(offset*3600000);
 dCur.setTime(dCur.getTime()+adj);
 var dExp=new Date(dCur.getTime()+315360000000);
 var dSes=new Date(dCur.getTime());
 WT.co_f=WT.vt_sid=WT.vt_f=WT.vt_f_a=WT.vt_f_s=WT.vt_f_d=WT.vt_f_tlh=WT.vt_f_tlv="";
 if (document.cookie.indexOf(name+"=")==-1){
  if ((typeof(gWtId)!="undefined")&&(gWtId!="")){
   WT.co_f=gWtId;
  }
  else if ((typeof(gTempWtId)!="undefined")&&(gTempWtId!="")){
   WT.co_f=gTempWtId;
   WT.vt_f="1";
  }
  else{
   WT.co_f="2";
   var cur=dCur.getTime().toString();
   for (var i=2;i<=(32-cur.length);i++){
    WT.co_f+=Math.floor(Math.random()*16.0).toString(16);
   }
   WT.co_f+=cur;
   WT.vt_f="1";
  }
  if (typeof(gWtAccountRollup)=="undefined"){
   WT.vt_f_a="1";
  }
  WT.vt_f_s=WT.vt_f_d="1";
  WT.vt_f_tlh=WT.vt_f_tlv="0";
 }
 else{
  var id=dcsGetIdCrumb(name,"id");
  var lv=parseInt(dcsGetCrumb(name,"lv"));
  var ss=parseInt(dcsGetCrumb(name,"ss"));
  if ((id==null)||(id=="null")||isNaN(lv)||isNaN(ss)){
   return;
  }
  WT.co_f=id;
  var dLst=new Date(lv);
  WT.vt_f_tlh=Math.floor((dLst.getTime()-adj)/1000);
  dSes.setTime(ss);
  if ((dCur.getTime()>(dLst.getTime()+1800000))||(dCur.getTime()>(dSes.getTime()+28800000))){
   WT.vt_f_tlv=Math.floor((dSes.getTime()-adj)/1000);
   dSes.setTime(dCur.getTime());
   WT.vt_f_s="1";
  }
  if ((dCur.getDay()!=dLst.getDay())||(dCur.getMonth()!=dLst.getMonth())||(dCur.getYear()!=dLst.getYear())){
   WT.vt_f_d="1";
  }
 }
 WT.co_f=escape(WT.co_f);
 WT.vt_sid=WT.co_f+"."+(dSes.getTime()-adj);
 var expiry="; expires="+dExp.toGMTString();
 document.cookie=name+"="+"id="+WT.co_f+":lv="+dCur.getTime().toString()+":ss="+dSes.getTime().toString()+expiry+"; path=/"+(((typeof(gFpcDom)!="undefined")&&(gFpcDom!=""))?("; domain="+gFpcDom):(""));
	if (!dcsIsFpcSet(name,WT.co_f,dCur.getTime().toString(),dSes.getTime().toString())){
  WT.co_f=WT.vt_sid=WT.vt_f_s=WT.vt_f_d=WT.vt_f_tlh=WT.vt_f_tlv="";
  WT.vt_f=WT.vt_f_a="2";
 }
}
 
// Code section for Use an existing first-party cookie.
function dcsOther(){
 if (typeof(gFpc)!="undefined"){
  if (dcsGetCookie("TEKVISITOR")){
   gTempWtId=dcsGetCookie("TEKVISITOR");
   dcsFPC(gTimeZone);
  }
  else if (dcsGetCookie(gFpc)){
   document.cookie=gFpc+"=; expires=Thu, 01-Jan-1970 00:00:01 GMT";
  }
 }
 else if (dcsGetCookie("TEKVISITOR")){
  WT.co_f=escape(dcsGetCookie("TEKVISITOR"));
 }
}
 
function dcsAdv(){
 dcsFunc("dcsET");
 dcsFunc("dcsCookie");
 dcsFunc("dcsAdSearch");
 dcsFunc("dcsTP");
}
 
//-->
<!-- END OF SDC Advanced Tracking Code -->

<!-- START OF SmartSource Data Collector TAG -->
<!-- Copyright (c) 1996-2007 WebTrends Inc.  All rights reserved. -->
<!-- V8.0 -->
<!-- $DateTime: 2007/03/01 14:48:29 $ -->

var gDomain="www2.tek.com";
var gDcsId="dcs5w0txb10000wocrvqy1nqm_6n1p";
 

if ((typeof(gConvert)!="undefined")&&gConvert&&(document.cookie.indexOf(gFpc+"=")==-1)&&(document.cookie.indexOf("WTLOPTOUT=")==-1)){
	document.write("<SCR"+"IPT TYPE='text/javascript' SRC='"+"http"+(window.location.protocol.indexOf('https:')==0?'s':'')+"://"+gDomain+"/"+gDcsId+"/wtid.js"+"'><\/SCR"+"IPT>");
}

var gImages=new Array;
var gIndex=0;
var DCS=new Object();
var WT=new Object();
var DCSext=new Object();
var gQP=new Array();
var gI18n=false;
if (window.RegExp){
	var RE=gI18n?{"%25":/\%/g}:{"%09":/\t/g,"%20":/ /g,"%23":/\#/g,"%26":/\&/g,"%2B":/\+/g,"%3F":/\?/g,"%5C":/\\/g,"%22":/\"/g,"%7F":/\x7F/g,"%A0":/\xA0/g};
	if (gI18n){
		var EXRE=/dcs(uri)|(ref)|(aut)|(met)|(sta)|(sip)|(pro)|(byt)|(dat)|(p3p)|(cfg)|(redirect)|(cip)/i;
	}
}
 
// Add customizations here
 
function dcsMultiTrack(){
 if (arguments.length%2==0){
  for (var i=0;i<arguments.length;i+=2){
   if (arguments[i].indexOf('WT.')==0){
    WT[arguments[i].substring(3)]=arguments[i+1];
	
   }
   else if (arguments[i].indexOf('DCS.')==0){
    DCS[arguments[i].substring(4)]=arguments[i+1];
   }
   else if (arguments[i].indexOf('DCSext.')==0){
    DCSext[arguments[i].substring(7)]=arguments[i+1];
   }
  }
  var dCurrent=new Date();
  DCS.dcsdat=dCurrent.getTime();
  dcsFunc("dcsCookie");
 
  dcsTag();
 }
}
 
function dcsVar(){
 var dCurrent=new Date();
 WT.tz=dCurrent.getTimezoneOffset()/60*-1;
 if (WT.tz==0){
  WT.tz="0";
 }
 WT.bh=dCurrent.getHours();
 WT.ul=navigator.appName=="Netscape"?navigator.language:navigator.userLanguage;
 if (typeof(screen)=="object"){
  WT.cd=navigator.appName=="Netscape"?screen.pixelDepth:screen.colorDepth;
  WT.sr=screen.width+"x"+screen.height;
 }
 if (typeof(navigator.javaEnabled())=="boolean"){
  WT.jo=navigator.javaEnabled()?"Yes":"No";
 }
 if (document.title){
		WT.ti=document.title;
 }
 WT.js="Yes";
 WT.jv=dcsJV();
 if (document.body&&document.body.addBehavior){
  document.body.addBehavior("#default#clientCaps");
		WT.ct=document.body.connectionType||"unknown";
  document.body.addBehavior("#default#homePage");
  WT.hp=document.body.isHomePage(location.href)?"1":"0";
 }
	else{
		WT.ct="unknown";
	}
 if (parseInt(navigator.appVersion)>3){
  if ((navigator.appName=="Microsoft Internet Explorer")&&document.body){
   WT.bs=document.body.offsetWidth+"x"+document.body.offsetHeight;
  }
  else if (navigator.appName=="Netscape"){
   WT.bs=window.innerWidth+"x"+window.innerHeight;
  }
 }
 WT.fi="No";
 if (window.ActiveXObject){
  for(var i=10;i>0;i--){
   try{
    var flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+i);
    WT.fi="Yes";
    WT.fv=i+".0";
    break;
   }
   catch(e){
   }
  }
 }
 else if (navigator.plugins&&navigator.plugins.length){
  for (var i=0;i<navigator.plugins.length;i++){
   if (navigator.plugins[i].name.indexOf('Shockwave Flash')!=-1){
    WT.fi="Yes";
    WT.fv=navigator.plugins[i].description.split(" ")[2];
    break;
   }
  }
 }
 if (gI18n){
  WT.em=(typeof(encodeURIComponent)=="function")?"uri":"esc";
  if (typeof(document.defaultCharset)=="string"){
   WT.le=document.defaultCharset;
  } 
  else if (typeof(document.characterSet)=="string"){
   WT.le=document.characterSet;
  }
 }
	WT.tv="8.0.3";
	WT.sp="@@SPLITVALUE@@";
 DCS.dcsdat=dCurrent.getTime();
 DCS.dcssip=window.location.hostname;
 DCS.dcsuri=window.location.pathname;
 if (window.location.search){
  DCS.dcsqry=window.location.search;
  if (gQP.length>0){
   for (var i=0;i<gQP.length;i++){
    var pos=DCS.dcsqry.indexOf(gQP[i]);
    if (pos!=-1){
     var front=DCS.dcsqry.substring(0,pos);
     var end=DCS.dcsqry.substring(pos+gQP[i].length,DCS.dcsqry.length);
     DCS.dcsqry=front+end;
    }
   }
  }
 }
 if ((window.document.referrer!="")&&(window.document.referrer!="-")){
  if (!(navigator.appName=="Microsoft Internet Explorer"&&parseInt(navigator.appVersion)<4)){
			DCS.dcsref=window.document.referrer;
  }
 }
}
 
function dcsA(N,V){
	if (gI18n&&!EXRE.test(N)){
		if (N=="dcsqry"){
			var newV="";
			var params=V.substring(1).split("&");
			for (var i=0;i<params.length;i++){
				var pair=params[i];
				var pos=pair.indexOf("=");
				if (pos!=-1){
					var key=pair.substring(0,pos);
					var val=pair.substring(pos+1);
					if (i!=0){
						newV+="&";
					}
					newV+=key+"="+dcsEncode(val);
				}
			}
			V=V.substring(0,1)+newV;
		}
		else{
			V=dcsEncode(V);
		}
	}
 return "&"+N+"="+dcsEscape(V, RE);
}
 
function dcsEscape(S, REL){
 if (typeof(REL)!="undefined"){
  var retStr = new String(S);
		for (var R in REL){
   retStr = retStr.replace(REL[R],R);
  }
  return retStr;
 }
 else{
  return escape(S);
 }
}
 
function dcsEncode(S){
 return (typeof(encodeURIComponent)=="function")?encodeURIComponent(S):escape(S);
}
 
function dcsCreateImage(dcsSrc){
 if (document.images){
  gImages[gIndex]=new Image;
  gImages[gIndex].src=dcsSrc; 
  gIndex++;
 }
 else{
  document.write('<IMG ALT="" BORDER="0" NAME="DCSIMG" WIDTH="1" HEIGHT="1" SRC="'+dcsSrc+'">');
 }
}
 
function dcsMeta(){
 var elems;
 if (document.all){
  elems=document.all.tags("meta");
 }
 else if (document.documentElement){
  elems=document.getElementsByTagName("meta");
 }
 if (typeof(elems)!="undefined"){
		var length=elems.length;
		for (var i=0;i<length;i++){
			var name=elems.item(i).name;
			var content=elems.item(i).content;
			var equiv=elems.item(i).httpEquiv;
			if (name.length>0){
				if (name.indexOf("WT.")==0){
					WT[name.substring(3)]=content;
				}
				else if (name.indexOf("DCSext.")==0){
					DCSext[name.substring(7)]=content;
    }
				else if (name.indexOf("DCS.")==0){
					DCS[name.substring(4)]=content;
    }
			}
			else if (gI18n&&(equiv=="Content-Type")){
				var pos=content.toLowerCase().indexOf("charset=");
				if (pos!=-1){
					WT.mle=content.substring(pos+8);
    }
   }
  }
 }
}
 
function dcsTag(){
 if (document.cookie.indexOf("WTLOPTOUT=")!=-1){
  return;
 }
 var P="http"+(window.location.protocol.indexOf('https:')==0?'s':'')+"://"+gDomain+(gDcsId==""?'':'/'+gDcsId)+"/dcs.gif?";
	for (var N in DCS){
  if (DCS[N]) {
   P+=dcsA(N,DCS[N]);
  }
 }
	var keys=["co_f","vt_sid","vt_f_tlv"];
	for (var i=0;i<keys.length;i++){
		var key=keys[i];
		if (WT[key]){
			P+=dcsA("WT."+key,WT[key]);
			delete WT[key];
		}
	}
 for (N in WT){
  if (WT[N]) {
   P+=dcsA("WT."+N,WT[N]);
  }
 }
 for (N in DCSext){
  if (DCSext[N]) {
   P+=dcsA(N,DCSext[N]);
  }
 }
 if (P.length>2048&&navigator.userAgent.indexOf('MSIE')>=0){
  P=P.substring(0,2040)+"&WT.tu=1";
 } 
 dcsCreateImage(P);
}
 
function dcsJV(){
 var agt=navigator.userAgent.toLowerCase();
 var major=parseInt(navigator.appVersion);
 var mac=(agt.indexOf("mac")!=-1);
	var ff=(agt.indexOf("firefox")!=-1);
	var ff0=(agt.indexOf("firefox/0.")!=-1);
	var ff10=(agt.indexOf("firefox/1.0")!=-1);
	var ff15=(agt.indexOf("firefox/1.5")!=-1);
	var ff2up=(ff&&!ff0&&!ff10&!ff15);
	var nn=(!ff&&(agt.indexOf("mozilla")!=-1)&&(agt.indexOf("compatible")==-1));
 var nn4=(nn&&(major==4));
 var nn6up=(nn&&(major>=5));
 var ie=((agt.indexOf("msie")!=-1)&&(agt.indexOf("opera")==-1));
 var ie4=(ie&&(major==4)&&(agt.indexOf("msie 4")!=-1));
 var ie5up=(ie&&!ie4);
 var op=(agt.indexOf("opera")!=-1);
 var op5=(agt.indexOf("opera 5")!=-1||agt.indexOf("opera/5")!=-1);
 var op6=(agt.indexOf("opera 6")!=-1||agt.indexOf("opera/6")!=-1);
 var op7up=(op&&!op5&&!op6);
 var jv="1.1";
	if (ff2up){
		jv="1.7";
	}
	else if (ff15){
		jv="1.6";
	}
	else if (ff0||ff10||nn6up||op7up){
  jv="1.5";
 }
 else if ((mac&&ie5up)||op6){
  jv="1.4";
 }
 else if (ie5up||nn4||op5){
  jv="1.3";
 }
 else if (ie4){
  jv="1.2";
 }
 return jv;
}
 
function dcsFunc(func){
 if (typeof(window[func])=="function"){
  window[func]();
 }
}
 
dcsVar();
dcsMeta();
dcsFunc("dcsAdv");
// added to fix SDC logging
WT.vt_sid="tek";
if (WT.ti) { WT.ti=encodeURIComponent(WT.ti); }
if (WT.mc_id) { WT.mc_id=encodeURIComponent(WT.mc_id); }
dcsTag();
//-->

 

<!-- END OF SmartSource Data Collector  TAG --> 
    
/******************************************************************************************************
3-20-07 : This function can be used to hide and display content
Example: http://www.tek.com/Measurement/programs/asiapacific/302863X313802/index.html
******************************************************************************************************/

	function toggleDivByiD ( _levelId) {
		var thisLevel = document.getElementById( _levelId );
		if (thisLevel.style.display == "none"){
			thisLevel.style.display = "block";
		}
		else{
			thisLevel.style.display = "none";
		}
	}