/* Description: This file has the code to construct the third and fourth level navigation. 
*/
function LeftMenu(){
}
LeftMenu.prototype.ht=100; //minimum height of left nav
LeftMenu.prototype.top=188;
LeftMenu.prototype.width=172;
LeftMenu.prototype.bgColor="#d0dde9";
LeftMenu.prototype.lineBgColor="#ffffff";
LeftMenu.prototype.dotBgColor="#ffffff";
LeftMenu.prototype.bottomImage="4dots.gif";
LeftMenu.prototype.leftNavDiv="leftnavdiv"
LeftMenu.prototype.hiliteColor="#f9fcff"; // bgcolor of an item that is "On" for this page
LeftMenu.prototype.activeColor="#e5edf7"; // when the user clicks on a particular item, the items bgcolor changes to this
LeftMenu.prototype.arrowImg="/common/img/left_menu_arrow12.gif";
LeftMenu.prototype.topSpc=15;
LeftMenu.prototype.btmSpc=60;
LeftMenu.prototype.tpad=5;
LeftMenu.prototype.fpad=4;
LeftMenu.prototype.currOpt=-1;
LeftMenu.prototype.thirdIndexOn=-1;
LeftMenu.prototype.fourthIndexOn=-1;
LeftMenu.prototype.loadImages=LMloadImages;
LeftMenu.prototype.setMenuHt=LMsetMenuHt;
LeftMenu.prototype.toggleChild=LMtoggleChild;
LeftMenu.prototype.toggle=LMtoggle;
LeftMenu.prototype.arrange=LMarrange;
LeftMenu.prototype.enable=LMenable;
LeftMenu.prototype.build=LMbuild;
LeftMenu.prototype.buildTop=LMbuildTop;
LeftMenu.prototype.buildBottom=LMbuildBottom;
LeftMenu.prototype.buildThird=LMbuildThird;
LeftMenu.prototype.buildFourth=LMbuildFourth;
LeftMenu.prototype.getThirdHtml=LMgetThirdHtml;
LeftMenu.prototype.getFourthHtml=LMgetFourthHtml;

LeftMenu.prototype.NORMAL= 0;
LeftMenu.prototype.ACTIVE= 1;
LeftMenu.prototype.HILITE = 2;

function showDiv(divName){
	var divObj=getDivObj(divName);
	var styleObj=new xbStyle(divObj);
	styleObj.setVisibility("visible");
}
function hideDiv(divName){
	var divObj=getDivObj(divName);
	var styleObj=new xbStyle(divObj);
	styleObj.setVisibility("hidden");
}

function LMloadImages(){
	newImage("/common/img/plus.gif");
	newImage("/common/img/minus.gif");
	newImage("/common/img/plus_grey.gif");
	newImage("/common/img/4dots.gif");
	newImage("/common/img/left_menu_arrow.gif");
	newImage("/common/img/left_menu_arrow_bgf1ede1.gif");
}

function LMsetMenuHt(){
	var i=0;
	var ht=0;
	var childht=0;
	var so=new xbStyle(getDivObj("lm_0"));
	var tht=so.getHeight();
	ht=ht+tht;
	for(i=1;i<=this.menuArray.length;i++){
		so=new xbStyle(getDivObj("lm_"+i));
		tht=so.getHeight();
		ht=ht+tht;
		so=new xbStyle(getDivObj("lm_"+i+"_child"));
		tht=so.getHeight();
		if(childht<tht) childht=tht;
	}
	ht=ht+childht;
	var divObj=getDivObj("lm_"+(this.menuArray.length+1));
	if(divObj){
		so=new xbStyle(divObj);
		ht=ht+so.getHeight();
	}
	so=new xbStyle(getDivObj("leftNav"));
	so.setClipLeft(0);
	so.setClipRight(this.width);
	so.setClipTop(0);
	so.setClipHeight(ht);
	so.setClipWidth(this.width);
	so.setHeight(ht);
}

function LMtoggleChild(i){
	if(this.currOpt!=-1){
		this.toggle(this.currOpt,'false');
		if(this.currOpt==i)this.currOpt=-1;
		else this.currOpt=i;
	}else this.currOpt=i;
	if(this.currOpt!=-1) this.toggle(this.currOpt,'true');
}

function LMtoggle(i,bShowChild){
	var soP = new xbStyle(getDivObj("lm_"+i));
	var soC = new xbStyle(getDivObj("lm_"+i+"_child"));
	if(bShowChild=='true'){
		soC.setTop(soP.getTop());
		soP.setVisibility("hidden");
		soC.setVisibility("visible");
		this.arrange(i,bShowChild);
	}else{
		soP.setTop(soC.getTop());
		soC.setVisibility("hidden");
		soP.setVisibility("visible");
		this.arrange(i,bShowChild);
	}
}
function LMarrange(j,bShowChild){
	var i=0;
	var ht=0;
	var tp=0;
	var so;

	if(bShowChild=='false')so=new xbStyle(getDivObj("lm_"+j));
	else so=new xbStyle(getDivObj("lm_"+j+"_child"));

	tp=so.getTop();
	ht=so.getHeight();
	for(i=j+1;i<=(this.menuArray.length+1);i++){
		var divName="lm_"+i;
		var styleObj=new xbStyle(getDivObj(divName));
		if(styleObj.getVisibility()=='visible'){
			styleObj.setTop(tp+ht);
			ht=ht+styleObj.getHeight();
		}
	}
}

function LMenable(tIndex,fIndex){// Indices are zero based
	this.thirdIndexOn=tIndex;
	this.fourthIndexOn=fIndex;
}

function LMbuild(){
	document.write('<div class="absinv" id="lm_dummy"></div>');
	document.write('<div class="'+this.leftNavDiv+'" id="leftNav">');
	document.write(this.buildTop());
	var i = 0;
	for(i=0;i<this.menuArray.length;i++){
		document.write(this.buildThird(i));
		document.write(this.buildFourth(i));
	}
	document.write(this.buildBottom());
	document.write('</div>');
}

function LMbuildTop(){
	var s="";
	s+='<div class="absinv" id="lm_0">';
	s+='<table width='+this.width+' border=0 cellspacing=0 cellpadding=0 bgcolor="'+this.bgColor+'">';
	s+='<tr><td><img src="/common/img/s.gif" width="1" height="'+this.topSpc+'"></td></tr>';
	s+='</table>';
	s+='</div>';
	return s;
}

function LMbuildBottom(){
	var s="";
	s+='<div  id="lm_'+(this.menuArray.length+1)+'" class="absinv" >';
	s+='<table width='+this.width+' border=0 cellspacing=0 cellpadding=0 bgcolor="'+this.bgColor+'">';
	s+='<tr><td><img src="/common/img/s.gif" width="1" height="65"></td></tr>';
	s+='<tr><td bgcolor="'+this.lineBgColor+'"><img src="/common/img/s.gif" width="1" height="1"></td></tr>';
	s+='<tr><td bgcolor="'+this.dotBgColor+'" align="right"><img border=0 src="/common/img/'+this.bottomImage+'"></td></tr>';
	s+='</table>';
	s+='</div>';
	return s;
	
}
function LMbuildThird(tIndex){
	var id=tIndex+1;
	var s="";
	s+='<div class="absinv" id="lm_'+id+'">';
	var bHasChildren=(this.menuArray[tIndex][2].length==0)?('false'):('true');
	if(this.thirdIndexOn==tIndex){
		if((this.fourthIndexOn==-1)&&(bHasChildren=='false')){
			s+=this.getThirdHtml(tIndex,this.HILITE);
		}else{
			s+=this.getThirdHtml(tIndex,this.NORMAL);
		}
	}else{
		s+=this.getThirdHtml(tIndex,this.NORMAL);
	}
	s+='</div>';
	return s;
}

function LMbuildFourth(tIndex){
	var tid=tIndex +1;
	var s="";
	s+='<div class="absinv" id="lm_'+tid+'_child">';
	var bHasChildren=(this.menuArray[tIndex][2].length==0)?('false'):('true');
	if(this.thirdIndexOn==tIndex){
		if((this.fourthIndexOn==-1)&&(bHasChildren=='false')){
			s+=this.getThirdHtml(tIndex,this.HILITE);
		}else{
			s+=this.getThirdHtml(tIndex,this.ACTIVE);
		}
	}else{
		s+=this.getThirdHtml(tIndex,this.ACTIVE);
	}
	
	var i=0;
	if(bHasChildren=='true'){
		s+='<table width='+this.width+' border=0 cellspacing=0 cellpadding=0 bgcolor="'+this.activeColor+'">';
		for(i=0;i<this.menuArray[tIndex][2].length;i++){
			s+=this.getFourthHtml(tIndex, i);
		}
		s+='<tr><td colspan=3><img src="/common/img/s.gif" width="1" height="15"></td></tr>';
		s+='</table>';
	}
	s+='</div>';
	return s;
	
}
function LMgetThirdHtml(tIndex,hiliteState /* NORMAL, ACTIVE, HILITE*/ ){
	var id=tIndex+1;
	var bHasChildren=(this.menuArray[tIndex][2].length==0)?('false'):('true');
	var img="plus";
	var bgClr=this.bgColor;
	var hrefStr='javascript:lm.toggleChild('+id+');';
	var targetStr='';
	if(hiliteState==this.NORMAL){
		if(bHasChildren=='true') {
			img="/common/img/plus.gif";
		}
		else{
			img="/common/img/plus_grey.gif";
			hrefStr=this.menuArray[tIndex][1];
			targetStr=' target="_top" ';
		}
		bgClr=this.bgColor;
	}else if(hiliteState==this.ACTIVE){
		if(bHasChildren=='true') img="/common/img/minus.gif";
		else{
			img="/common/img/plus_grey.gif";
			hrefStr=this.menuArray[tIndex][1];
			targetStr=' target="_top" ';
		}
		bgClr=this.activeColor;
	}else if(hiliteState==this.HILITE){
		img=this.arrowImg;
		bgClr=this.hiliteColor;
		hrefStr=this.menuArray[tIndex][1];
		
	}
		
	var s="";
	s+='<table width='+this.width+' border=0 cellspacing=0 cellpadding=0 bgcolor="'+bgClr+'">';
	s+='<tr>';
	s+='<td colspan=5><img src="/common/img/s.gif" width="1" height="'+this.tpad+'"></td>';
	s+='</tr>';
	s+='<tr>';
	s+='<td><img src="/common/img/s.gif" width="3" height="1"></td>';
	s+='<td valign="top"><a href="'+hrefStr+'" class="thirdnav"'+targetStr+'><img src="'+img+'" width="12" height="12" border="0"></a></td>';
	s+='<td><img src="/common/img/s.gif" width="3" height="1"></td>';
			
	if(hrefStr.match(".pdf")){		
		s+='<td><a href=javascript:popleftnav("'+hrefStr+'"); class="thirdnav"'+targetStr+'>'+this.menuArray[tIndex][0]+'</a></td>';}
		else{				
				s+='<td><a href='+hrefStr+' class="thirdnav"'+targetStr+'>'+this.menuArray[tIndex][0]+'</a></td>';}
	
	s+='<td><img src="/common/img/s.gif" width="20" height="1"></td>';
	s+='</tr>';
	s+='<tr>';
	s+='<td><img src="/common/img/s.gif" width="3" height="'+this.tpad+'"></td>';
	s+='<td><img src="/common/img/s.gif" width="12" height="1"></td>';
	s+='<td><img src="/common/img/s.gif" width="3" height="1"></td>';
	s+='<td><img src="/common/img/s.gif"  width="'+(this.width-38)+'" height="1"></td>';
	s+='<td><img src="/common/img/s.gif" width="20" height="1"></td>';
	s+='</tr>';
	s+='</table>';
	return s;
}

function LMgetFourthHtml(tIndex, fIndex){
	var bgClr=this.activeColor;
	var imgStr='<img src="/common/img/s.gif" width="18" height="1">';
	if((tIndex==this.thirdIndexOn) && (fIndex==this.fourthIndexOn)){
		bgClr=this.hiliteColor;
		imgStr='<img src="/common/img/s.gif" width="5" height="1"><img src="/common/img/left_menu_arrow.gif" width="9" height="9"><img src="/common/img/s.gif" width="4" height="1">';
	}
	var s="";
	s+='<tr bgcolor="'+bgClr+'">';
	s+='<td colspan=3><img src="/common/img/s.gif" width="1" height="'+this.fpad+'"></td>';
	s+='</tr>';
	s+='<tr bgcolor="'+bgClr+'">';
	s+='<td valign="middle">'+imgStr+'</td>';
	if((this.menuArray[tIndex][2][fIndex][1].match(".pdf"))&&(!(navigator.appName == "Netscape"))){	
		s+='<td><a href=javascript:popleftnav("'+this.menuArray[tIndex][2][fIndex][1]+'"); class="fourthnav" target="_top">'+this.menuArray[tIndex][2][fIndex][0]+'</a></td>';}
			else{	
				
				s+='<td><a href="'+this.menuArray[tIndex][2][fIndex][1]+'" class="fourthnav" target="_top">'+this.menuArray[tIndex][2][fIndex][0]+'</a></td>';}
	
	s+='<td><img src="/common/img/s.gif" width="1" height="1"></td>';
	s+='</tr>';
	s+='<tr bgcolor="'+bgClr+'">';
	s+='<td><img src="/common/img/s.gif" width="18" height="'+this.fpad+'"></td>';
	s+='<td><img src="/common/img/s.gif" width="'+(this.width-38)+'" height="'+this.fpad+'"></td>';
	s+='<td><img src="/common/img/s.gif" width="10" height="'+this.fpad+'"></td>';
	s+='</tr>';
	return s;
}

var lm;
function LMbuildLeftMenu(menuArray,tIndex,fIndex){
	// menuArray - contains the elements of the third and fourth level menus
	// tIndex - indicates the index of the third nav element to be highlighted by default; -1 indicates nothing to be highlighted
	// fIndex - indicates the index of the fourth nav element to be highlighted by default; -1 indicates nothing to be highlighted
	lm=new LeftMenu();
	lm.menuArray=menuArray;
	lm.enable(tIndex,fIndex);
	lm.build();
}
function alignLeftMenu(){

	showDiv("lm_0");
	for(id=1;id<=lm.menuArray.length;id++){
		showDiv("lm_"+id);
		hideDiv("lm_"+id+"_child");
	}
	showDiv("lm_"+(lm.menuArray.length+1));
	showDiv("leftNav");
	lm.setMenuHt();
	lm.arrange(0,'false');
	if(lm.thirdIndexOn!=-1) lm.toggleChild(lm.thirdIndexOn+1);
}

var agt = navigator.userAgent.toLowerCase();
var is_win = agt.indexOf("win") != -1;
var is_mac = agt.indexOf("mac") != -1;


function popleftnav(szURL){
	if (is_mac) {
			clickpopup=window.open(szURL,"home","toolbar=1,location=0,status=0,menubar=0,scrollbars=1,resizable=1,top=0,left=0,width=750,height=400");
			clickpopup.focus();

	} else if (is_win) {
        if(!document.all && document.getElementById)
        {
		    window.location.href=szURL;
        }
        else
        {
			clickpopup=window.open(szURL,"home","toolbar=1,location=0,status=0,menubar=0,scrollbars=1,resizable=1,top=0,left=0,width=750,height=400");
			clickpopup.focus();
        }

	}
}