var agt=navigator.userAgent.toLowerCase(); 
var is_major=parseInt(navigator.appVersion); 
var is_minor=parseFloat(navigator.appVersion); 
var is_nav =((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1)); 
var is_nav2=(is_nav && (is_major == 2)); 
var is_nav3=(is_nav && (is_major == 3)); 
var is_nav4=(is_nav && (is_major == 4)); 
var is_nav5=(is_nav && (is_major == 5)); 
var is_nav5up=(is_nav && (is_major >= 5)); 
var is_nav4down=(is_nav && (!is_nav5up)); 
var is_ie  =(agt.indexOf("msie") != -1); 
var is_ie3 =(is_ie && (is_major < 4)); 
var is_ie4 =(is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) ); 
var is_ie4up =(is_ie  && (is_major >= 4)); 
var is_ie4down =(is_ie  && (is_major <= 4)); 
var is_ie5 =(is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) ); 
var is_ie5up =(is_ie  && !is_ie3 && !is_ie4); 
var is_5up=(is_ie5up || is_nav5up);
var is_hotjava=(agt.indexOf("hotjava")!=-1);
var is_opera=(agt.indexOf("opera") != -1); 
var is_webtv=(agt.indexOf("webtv") != -1); 
var is_win  =( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
var is_mac   =(agt.indexOf("mac")!=-1);
var vIE55Win=navigator.appVersion.toLowerCase().indexOf("msie 5.5")!=-1 && is_win;
var vIE4Win=is_ie4 && is_win;
var vIE4Mac=is_ie4 && is_mac;
var iCon = "";

// global parameters
var vFurns=new Array();
var gDrawTime=new Array();
var gIsMenuLoaded=false;
var vMSTIndex=0;
var vItemNo=0;
var vMenuObj=null;
var vMenuDelay=350;
var gToolIndexOff=200,gToolIndexOn=300;
var vTooltipTimer=null;
var vTooltips;
var vTooltipDelay=1; 

function mSetImage(){}
function mSetHiLoColor(){}
function mSetId(){}

function mMenu(menuText,itemA,itemB,itemC, parent, url){
	if(menuText == ""){
		menuText = url;
	}

	this.dKids=new Array();
	this.dName="item" + vItemNo++ ; 
	if (url){
		url = url.replace("ab=", "");
		this.dUrl = url;
		} else {this.dUrl = "#";}
	this.dWidth=vMenuWidth;
	this.dHeight=vMenuHeight;
	this.dOpen=false;
	this.dMenuText=menuText;
	this.dParent=parent;
	this.dKidPlaced=false;


	if(parent){// if it has a parent reference it is assigned that parents color scheme
		parent.mAddKid(this);
		this.dTop= parent.dTop + this.dHeight;
		this.dLeft= parent.dLeft + 12;

		// if no child colour scheme then use parents	
			if(!this.dLo){
				this.dHi=parent.dHi;
				this.dLo=parent.dLo;
			}
		}
	
	else{ // parents are assigned a main colour scheme
		vFurns[vFurns.length]=this;
		this.dNumber = vFurns.length;
		this.dHi=vOnColour;
		this.dLo=vOffColour;
		this.dTop=vMenuVStart + (this.dHeight * vFurns.length) ;
		this.dLeft=vMenuHStart;
	}
}

function mAddKid(inKid){
inKid.dParent=this;
if(inKid.dPosAbs){
	inKid.dTop=this.dTop + (this.dKids.length * vMenuHeight);
	inKid.dLeft=this.dLeft + this.dWidth;
}
inKid.dKidNumber = this.dKids.length;
this.dKids[this.dKids.length]=inKid;
} 

function writeThisStyle()
{
var thisData = "";
	thisData += '#' + this.dName + 'Div{position:absolute; left:'+ this.dLeft +'px;top:'+ this.dTop +'px; width:'+ this.dWidth +'px; visibility:hidden;z-index:10;}\r';
return thisData;
}

function fInit(){
}

function fWriteStyles()
{
var menuData = "<STYLE TYPE = \"text/css\">\r";

for(var i=0;i < vFurns.length;i++ )
	{
	menuData += vFurns[i].writeThisStyle(i)
	
	// draw the children
	menuData += vFurns[i].drawKidStyles(i)

	}
	
// tooltip style
menuData +="#ToolTipDiv {border: solid 1px black; position:absolute;top:0;left:0;width:110;visibility:hidden;z-index:"+gToolIndexOn+";background-color:#ffffff; border-color:black; border-style:solid; border-width: 1px;} ";
menuData += "<\/STYLE>\r";

document.write(menuData);


}

function drawKidStyles()
{
var kidData = "";
	
	// draw the children
	if (this.dKids.length > 0) {
				for(var j=0;j < this.dKids.length;j++ ){
					kidData += this.dKids[j].writeThisStyle();
					
					//draw its children if it has any
					kidData += this.dKids[j].drawKidStyles()
					}
			
				}

return kidData;

}

function buildDivs()
{
var menuData = "";
menuData += "<div id='ToolTipDiv'><\/div>\r";
for(var i=0;i < vFurns.length;i++ )
	{
	menuData += vFurns[i].writeDivs(i)
	
	// draw the children
	menuData += vFurns[i].drawKids(i)

	}
document.write(menuData);
//debug document.write('<b><br><textarea>'+ menuData +'<\/textarea>')

}

function drawKids()
{
var kidData = "";
	
	// draw the children
	if (this.dKids.length > 0) {
				for(var j=0;j < this.dKids.length;j++ ){
					kidData += this.dKids[j].writeDivs();
					
					//draw its children if it has any
					kidData += this.dKids[j].drawKids()
					}
			
				}

return kidData;

}

function writeDivs()
{
var thisData = "";
var tImage ='';
var tLink ='';
//if(this.dUrl == "#"){this.dUrl = '#anchor'+this.dName;}

if(this.dKids.length > 0){t = 'topics'; tImage = '<img src="'+ plusImage +'" name="imgFold'+ this.dNumber +'" alt="Expand" border=0 width="14" height="16">';tLink = 'onmouseup="fGetTarget(\''+this.dName+'\').mMouseUp();" onmouseover="fGetTarget(\''+this.dName+'\').mMouseOver();" onmouseout="fGetTarget(\''+this.dName+'\').mMouseOut();"'; }
	else if(!this.dParent){t = 'topics';tImage = '<img src="'+ clearImage +'" name="imgFold'+ this.dNumber +'" alt="Non-Expand" border=0 width="14" height="16">';tLink = 'onmouseup="fGetTarget(\''+this.dName+'\').mMouseUp();"';}
	else {t = 'clSubLinks';tImage = '';tLink = '';}
	thisData += '<div id="'+ this.dName +'Div"><a NAME="anchor'+this.dName+'" href="'+ this.dUrl +'" '+ tLink +' class="'+ t +'"  onmouseover="fGetTarget(\''+this.dName+'\').mMouseOver();" onmouseout="fGetTarget(\''+this.dName+'\').mMouseOut();">'+ tImage + '&nbsp;' + this.dMenuText +'<\/a><br>\r';
	thisData += '<\/div>\r';	

return thisData;
}

// controls the opening and closing of the menu
function mOpenKids()
{
var thisHeight;
var thisImage;

// change its parents icon
			thisImage = eval("document.imgFold" + this.dNumber);
			if (thisImage){thisImage.src = minusImage;}

	for(var j=0;j < this.dKids.length;j++ ){
			this.dKids[j].mSetVisible(true)
			thisHeight = this.dKids.length * this.dKids[j].dHeight;
	}
	
	//this.mMoveTo(this.dLeft,thisHeight);
	this.mMoveKids(thisHeight)
	
	if(!this.dNumber){
		nextnumber = this.dParent.dNumber
		// move the parents and their children down
		for(var i=(this.dKidNumber + 1); i<this.dParent.dKids.length;i++ ){
		
			y = thisHeight + this.dParent.dKids[i].dTop;
			this.dParent.dKids[i].mMoveTo(this.dLeft,y);
			//this.dParent.dKids[i].mMoveKids(y)
		
		}

		
		}
	else {nextnumber = this.dNumber};
	
	// move the parents and their children down
	for(var i=(nextnumber);i < vFurns.length;i++ ){
		
		y = thisHeight + vFurns[i].dTop;
		vFurns[i].mMoveTo(vFurns[i].dLeft,y);
		vFurns[i].mMoveKids(y);
		
		}

	}

	
function mMoveKids()
{	
for(var j=0;j < this.dKids.length;j++ ){
	
	y = this.dTop + (this.dKids[j].dHeight * (j + 1))
	this.dKids[j].mMoveTo(this.dKids[j].dLeft,y);
	
	// if its told to be highlighted we do it
			if (this.dKids[j].dMenuText == selectedItem){
				//this.dKids[j].mToggleHilite("silver");
				fWriteDiv(this.dKids[j].dName + "Div",'<a href="#" class="linkActive" >&nbsp;'+ this.dKids[j].dMenuText + '<\/a>');this.dKids[j].mMoveTo(this.dKids[j].dLeft,y);
				}
	
	if (this.dKids[j].dKids > 0) { this.mMoveKids(thisHeight);}
	}
}

function mMoveKidsClosed()
{	
for(var j=0;j < this.dKids.length;j++ ){
	
	y = this.dTop - (this.dKids[j].dHeight * (j + 1))
	this.dKids[j].mMoveTo(this.dKids[j].dLeft,y);
	
	}
}

function mCloseKids(){

var thisHeight;
var thisImage;
// change its parents icon
			thisImage = eval("document.imgFold" + this.dNumber);
			if (thisImage){thisImage.src = plusImage;}

		for(var j=0;j < this.dKids.length;j++ )
		{
			this.dKids[j].dOpen=false;
			this.dKids[j].mSetVisible(false)
			thisHeight = this.dKids.length * this.dKids[j].dHeight;
			if (this.dKids[j].dKids.length > 0) { this.dKids[j].mCloseKids()}
		
		}

// move the parents and their children up	
	if(!this.dNumber){
		nextnumber = this.dParent.dNumber
		for(var i=(this.dKidNumber + 1);i < this.dParent.dKids.length;i++ ){
		
			y = thisHeight - this.dParent.dKids[i].dTop;
			this.dParent.dKids[i].mMoveTo(this.dLeft,y);
			//this.dParent.dKids[i].mMoveKidsClosed(y)
		
		}
	}
	else {nextnumber = this.dNumber} ;
	
// move the rest down
	for(var i=(nextnumber);i < vFurns.length;i++ ){
	
		y = vFurns[i].dTop - thisHeight
		vFurns[i].mMoveTo(vFurns[i].dLeft,y);
		
		// move all children up in case they're open
		for(var j=0;j < vFurns[i].dKids.length;j++ ){		
			// move it to its correct location
			y = vFurns[i].dKids[j].dTop - thisHeight
			vFurns[i].dKids[j].mMoveTo(vFurns[i].dKids[j].dLeft, y);

			}
		// end move of children


}
	this.dOpen = false;
}

function mSetVisible(inVis){
fShowDiv(this.dCss,inVis);
}


function fWriteDiv(inName,inText){
	var tDoc;
		if(is_nav4){
			eval("tDoc=document." + inName + ".document");
			tDoc.open();
			tDoc.write(inText);
			tDoc.close();
		}
	if  (is_ie4){document.all[inName].innerHTML=inText;	}
	if  (is_5up){document.getElementById(inName).innerHTML=inText;	}  
}

function fShowDiv(inDiv,inVis){
if(inVis){ inDiv.visibility=(is_nav4)?'show':'visible';}
else{inDiv.visibility=(is_nav4)?'hide':'hidden';}

}

function mMoveTo(x,y){
this.dLeft=x;
this.dTop=y;
fMoveDiv(this.dCss,x,y);
}


function fMoveDiv(inDiv,x,y){
	if(is_nav4) {inDiv.left=x;inDiv.top=y;}
	if(is_ie4) {inDiv.pixelLeft=x;inDiv.pixelTop=y;}
	if(is_5up) {inDiv.left=x+"px";inDiv.top=y+"px"};
	
}

function mInstallHandler(inVisible){
if(!this.dMap){
	var tTarget;
	if(is_nav4){
		eval("tTarget=document." + this.dName + "Div");
		this.dCss=tTarget;
		if(this.dImage){
			eval("this.dImageCss=this.dCss.document." + this.dName + "Image"); 
			eval("this.dRollImageCss=this.dImageCss.document.images['" + this.dName + "RollImage']");
			this.dImageCss.document.onmouseup= fHandleUp;		
			this.dImageCss.document.dJSObj=this;		
			this.dRollImageCss.onmouseup= fHandleUp;
			this.dRollImageCss.dJSObj=this;
		}
		else if(this.dBannerImages){
			eval("this.dBannerDoc=this.dCss.document.images['" + this.dName + "BannerImg']");
			this.dBannerDoc.onmouseup= fHandleUp;
			this.dBannerDoc.dJSObj=this;
			this.dCss.document.onmouseup= fHandleUp;
			this.dCss.document.dJSObj=this;
		}
		else{
			tTarget.document.onmouseup= fHandleUp;
			tTarget.document.captureEvents(Event.MOUSEUP);						
			tTarget.document.dJSObj=this;
		}
	}
	else{
		tTarget=(is_ie4)?document.all[this.dName + "Div"] : document.getElementById(this.dName + "Div"); 
		this.dCss=tTarget.style;
		if(this.dImage){
			this.dImageCss=(is_ie4)?document.all[this.dName + "Image"].style : document.getElementById(this.dName + "Image").style; 
			this.dRollImageCss=(is_ie4)?document.all[this.dName + "RollImage"] : document.getElementById(this.dName + "RollImage");
			tTarget=this.dRollImageCss;
		}
		else if(this.dBannerImages){
			this.dBannerDoc=(is_ie4)?document.all[this.dName + "BannerImg"] : document.getElementById(this.dName + "BannerImg");
			tTarget=this.dBannerDoc;
		}
		else if(vIE4Win){
			//var tTarget2=document.all[this.dName + "P"];
			//tTarget2.dJSObj=this;
			//tTarget2.onmouseover= fHandleOver;
			//tTarget2.onmouseup= fHandleUp;
		}
	}
	if (is_nav5) {
		tTarget.dJSObj=this;
		tTarget.addEventListener("mouseover",fHandleOver,false);
		tTarget.addEventListener("mouseout",fHandleOut,false);
		tTarget.addEventListener("mouseup",fHandleUp,false);
		var tTarget2=document.getElementById(this.dName + "A");
	 if (tTarget2 != null ){
			tTarget2.dJSObj=this;
			tTarget2.addEventListener("mouseover",fHandleOver,false);
			tTarget2.addEventListener("mouseout",fHandleOut,false);
			tTarget2.addEventListener("mouseup",fHandleUp,false); 
		}
	}	else {
		tTarget.dJSObj=this;
		tTarget.onmouseover= fHandleOver;
		tTarget.onmouseout= fHandleOut;
		tTarget.onmouseup= fHandleUp;
	}
}
else {
	if(is_nav4){ 
		eval("tTarget=document." + this.dName + "Div");
		this.dCss=tTarget;
	}
	else{		this.dCss=(is_ie4)?document.all[this.dName + "Div"].style : document.getElementById(this.dName + "Div").style;	}
}	
for(var i=0;i < this.dKids.length;i++ ){
	this.dKids[i].mInstallHandler();
}
var tCurrWidth=this.dWidth;
if(this.dAutoHilite){
	this.mToggleHilite(this.dLo);
	if(is_nav4) {
		eval("tCurrWidth=document." + this.dName + "Div.document.width");
	} else {
		if(vIE4Win)		tCurrWidth=document.all[this.dName + "Table"].offsetWidth;
		else	tCurrWidth=(is_ie4)?document.all[this.dName + "Div"].offsetWidth :  document.getElementById(this.dName + "Div").offsetWidth;
	}
}
if(this.dParent){
	this.dParent.dKidsMaxWidth=Math.max(this.dParent.dKidsMaxWidth,tCurrWidth);
}
else{
	this.mSetVisible(true);
	return tCurrWidth;
}
}


function mToggleHilite(inColor){
if(is_nav4){
	this.dCss.bgColor=inColor;
	}
	else{
	this.dCss.backgroundColor=inColor;
	}
}

function showMenu(){

for(var i=0;i<vFurns.length;i++ ){
	vFurns[i].mInstallHandler(true);
}

// if a menu is told to be open on launch, we open it
	for(var i=0;i < vFurns.length;i++ ){
		if (vFurns[i].dMenuText == thisCatOpen){vFurns[i].mMouseUp();
		//fWriteDiv(vFurns[i].dName + "Div",'<a href="#" class="linkActive" ><B>&nbsp;'+ vFurns[i].dMenuText + '</B><\/a>');
			}
	}
	
// set up the tooltip div
if(is_nav4){
	vTooltips=document.ToolTipDiv; 
}
if (is_ie4 || is_ie5) {
	vTooltips=document.all.ToolTipDiv.style;
}
if (is_nav5up) {
	vTooltips=document.getElementById("ToolTipDiv").style;

}

return true;
}

function fHandleOut(e){
var tTarget;
if(is_nav){ tTarget=e.target.dJSObj;}
if(is_ie){
e=window.event;
tTarget=e.srcElement.dJSObj;
e.cancelBubble=true;
}
if(tTarget){tTarget.mMouseOut();}
return false;
}

function fHandleOver(e){
var tTarget;
if(is_nav){ tTarget=e.target.dJSObj;}
if(is_ie){
e=window.event;
tTarget=e.srcElement.dJSObj;
e.cancelBubble=true;
}
if(tTarget){ tTarget.mMouseOver();}
return false;
}

function fHandleUp(e){
var tTarget;
if(is_nav){tTarget=e.target.dJSObj;}
if(is_ie){
e=window.event;
tTarget=e.srcElement.dJSObj;
e.cancelBubble=true;
}
if(tTarget){ tTarget.mMouseUp();}
return false;
}

function mMouseOut(){
fTooltip();

// change its icon if its a parent
	if(this.dKids.length > 0){
			thisImage = eval("document.imgFold" + this.dNumber);
			
			if (this.dOpen == false){thisImage.src = plusImage;}
			if (this.dOpen == true){thisImage.src = minusImage;}
	}
	// do the status thang
	window.status= 'Powered by e-CHO'; return true;
	
return false;
}


function mMouseUp(){

if (this.dKids.length > 0) {

if(this.dOpen == true){

		this.mCloseKids();
	}

else if(this.dOpen == false){
		this.dOpen=true;
		this.mOpenKids();
	}
	
	}
return false; 
}

function mMouseOver(){

if(this.dTooltip){
		fTooltip("<b>Page Summary:</b><BR>"+this.dTooltip ,this.dLeft + 10,this.dTop+this.dHeight);
		//vTooltips.mSizeTo(this.dLeft + 10,this.dTop+this.dHeight);
		//alert(vTooltips);
	}
	
	// change its icon if its a parent
	if(this.dKids.length > 0){
			thisImage = eval("document.imgFold" + this.dNumber);
			
			if (this.dOpen == false){thisImage.src = plusRollImage;}
			if (this.dOpen == true){thisImage.src = minusRollImage;}
	}
	
	if(!is_nav4){	this.dCss.cursor="hand";	}
	if(is_nav5up){	this.dCss.cursor="pointer";	}
	
	// do the status thang
	if(this.dTooltip){window.status= this.dTooltip; return true;}
	else{window.status= 'Powered by e-CHO'; return true;}

return false;
}


function fGetTarget(inName){
var obj;
if (is_nav4) obj=eval("document."+inName+"Div.dJSObj");
if (is_ie4) obj=eval("document.all."+inName+"Div.dJSObj");
if (is_5up) obj=document.getElementById(inName+"Div").dJSObj;
return obj;
}

function fOpenMenu(){
	vMenuObj.mOpenKids();
}

function mSetTooltip(inText){
	this.dTooltip=inText;
}


function fTooltip(inText,x,y ){
if(vTooltipTimer!=null){
clearTimeout(vTooltipTimer);
vTooltipTimer=null;
}
fShowDiv(vTooltips,false);
if(x){
if(is_nav4){
fWriteDiv("ToolTipDiv","<TABLE id='ttTab' WIDTH=110 BGCOLOR='white' CELLPADDING=2 CELLSPACING=0 border=1><TR><TD><FONT FACE='Geneva,Arial,Helvetica' SIZE='1'>"+inText+"<\/FONT><\/TD><\/TR><\/TABLE>");
}
else{
inText="<p class='cToolTipText'>"+inText+"<\/p>";
fWriteDiv("ToolTipDiv",inText);
}
fMoveDiv(vTooltips,x,y);
vTooltipTimer=setTimeout("fShowDiv(vTooltips, true)",vTooltipDelay*1000);
}
}

function mSizeTo(inWidth,inHeight){
if(this.dImage) { return;}
this.dWidth=inWidth;
this.dHeight=inHeight;
fSizeDiv(this.dCss,inWidth,inHeight);
fClipDiv(this.dCss,0,inWidth,inHeight,0);
if(is_nav4down)
this.mWriteDivContent();
else if(vIE4Win)
fSizeDiv(document.all[this.dName+"Table"],inWidth,inHeight,true);
}


function fSizeDiv(inDiv,inWidth,inHeight){
if(is_nav4 || is_5up){
inDiv.width=inWidth;
inDiv.height=inHeight;
}
else{
inDiv.pixelWidth=inWidth;
inDiv.pixelHeight=inHeight;
}
}

function fClipDiv(inDiv,inTop,inRight,inBottom,inLeft){
if(!vIE4Mac){
if(is_nav4){
inDiv.clip.left=inLeft;
inDiv.clip.top=inTop;
inDiv.clip.bottom=inBottom;
inDiv.clip.right=inRight;
}else if (is_ie4){
inDiv.clip="rect("+inTop+"px,"+inRight+"px,"+inBottom+"px,"+inLeft+"px)";
}else if (is_5up) {
inDiv.clip="rect("+inTop+"px "+inRight+"px "+inBottom+"px "+inLeft+"px)";
}
}
}


mMenu.prototype.mAddKid=mAddKid;
mMenu.prototype.mMoveTo=mMoveTo;
mMenu.prototype.mSetVisible=mSetVisible;
mMenu.prototype.mInstallHandler=mInstallHandler;
mMenu.prototype.writeDivs=writeDivs;
mMenu.prototype.drawKids=drawKids;
mMenu.prototype.mOpenKids=mOpenKids;
mMenu.prototype.mCloseKids=mCloseKids
mMenu.prototype.mMouseOver=mMouseOver;
mMenu.prototype.mMouseOut=mMouseOut;
mMenu.prototype.mMouseUp=mMouseUp;
mMenu.prototype.mSizeTo=mSizeTo;
mMenu.prototype.mToggleHilite=mToggleHilite;
mMenu.prototype.mSetTooltip=mSetTooltip;
mMenu.prototype.mMoveKids=mMoveKids;
mMenu.prototype.writeThisStyle=writeThisStyle;
mMenu.prototype.drawKidStyles=drawKidStyles;
mMenu.prototype.mMoveKidsClosed=mMoveKidsClosed;
mMenu.prototype.mSetImage=mSetImage;
mMenu.prototype.mSetHiLoColor=mSetHiLoColor;
mMenu.prototype.mSetId=mSetId;


gDrawTime[vMSTIndex]=new Date();
fInit(); 
gDrawTime[vMSTIndex]="init:" + (new Date()-gDrawTime[vMSTIndex]);
gDrawTime[++vMSTIndex]=new Date();
fWriteStyles();  
gDrawTime[vMSTIndex]="style:" + (new Date()-gDrawTime[vMSTIndex]);