function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
        this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0;
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns5)
	this.mac=(this.ver.indexOf("Mac")>-1)?1:0;
	this.win=(this.ver.indexOf("Win")>-1)?1:0;
	return this
}

bw=new checkBrowser()
var stayFolded=false

// for resizing events in Netscape Bug
// for more detail of bug explanation, goto http://www.webreference.com/dhtml/diner/resize/resize3.html
var strNS4 = navigator.appName;
var _expandList;

if (strNS4.indexOf("Netscape") >= 0) {

	origWidth = innerWidth;

    origHeight = innerHeight;

}

foldImg=1

var exImg=new Image();
var unImg=new Image();

exImg.src='true.gif';
unImg.src='false.gif';

function makeMenu(obj,nest){
	nest=(!nest) ? '':'document.'+nest+'.'										
   	this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0;		
	this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;	
	this.ref=bw.dom || bw.ie4? document:bw.ns4?eval(nest+"document.layers." +obj+".document"):0;		
	this.x=(bw.ns4 || bw.ns5)? this.css.left:this.css.pixelLeft;
	this.y=(bw.ns4 || bw.ns5)? this.css.top:this.css.pixelTop;		
	this.height=bw.ns4?this.ref.height:this.el.offsetHeight;		
	this.hideIt=b_hideIt; this.showIt=b_showIt; this.vis=b_vis; this.moveIt=b_moveIt											
	return this
}

function b_showIt(){this.css.visibility="visible"}

function b_hideIt(){this.css.visibility="hidden"}

function b_vis(){if(this.css.visibility=="hidden" || this.css.visibility=="hide") return true;}

function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y}

function init(intFolder) {
	oTop=new Array()
	oTop[0]=new makeMenu('divTop1','divCont')
	oTop[1]=new makeMenu('divTop2','divCont')
	oTop[2]=new makeMenu('divTop3','divCont')
	oTop[3]=new makeMenu('divTop4','divCont')
	oTop[4]=new makeMenu('divTop5','divCont')
	oTop[5]=new makeMenu('divTop6','divCont')
	oTop[6]=new makeMenu('divTop7','divCont')
	oSub=new Array()
	oSub[0]=new makeMenu('divSub1','divCont.document.divTop1')
	oSub[1]=new makeMenu('divSub2','divCont.document.divTop2')
	oSub[2]=new makeMenu('divSub3','divCont.document.divTop3')
	oSub[3]=new makeMenu('divSub4','divCont.document.divTop4')
	oSub[4]=new makeMenu('divSub5','divCont.document.divTop5')
	oSub[5]=new makeMenu('divSub6','divCont.document.divTop6')
	for(i=0;i<oSub.length;i++){ oSub[i].hideIt() }
	for(i=1;i<oTop.length;i++){ oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height) }
  	oCont=new makeMenu('divCont')
  	oCont.showIt()
  	if (intFolder > 0) {
	  	menu(intFolder);
	}
}

/*
function expandList(intList) {
	_expandList = intList;
	alert(_expandList);
}
*/
function menu(num){
	if(bw.bw){
		if(!stayFolded){
			for(i=0;i<oSub.length;i++){
				if(i!=num){
					oSub[i].hideIt()
					if(foldImg)oTop[i].ref["imgA"+i].src=unImg.src
				}
			}
			
			for(i=1;i<oTop.length;i++){
				oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height)
			}
		}
		
		if(oSub[num].vis()){
			oSub[num].showIt()
			if(foldImg)oTop[num].ref["imgA"+num].src=exImg.src
		}else{
			oSub[num].hideIt()
			if(foldImg)oTop[num].ref["imgA"+num].src=unImg.src
		}
		for(i=1;i<oTop.length;i++){ 
			if(!oSub[i-1].vis()) oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height+oSub[i-1].height) 
			else oTop[i].moveIt(0,oTop[i-1].y+oTop[i-1].height)
		}
	}
}

function handleResize() {
	location.reload();
	return false;
}

function handleResizeNS40() {
	if (innerWidth == origWidth && innerHeight == origHeight) return
		origWidth = innerWidth; origHeight = innerHeight;
	location.reload();
	return false;
}

if (bw.ns4) {
	// if it is not Netscape 4.06 or 4.07 perform the following operation
	var strBrowserVer = navigator.appVersion;

	window.captureEvents(Event.RESIZE);

	if (strBrowserVer.indexOf("4.0") < 0) {
		window.onresize = handleResize;
	} else {
		window.onresize = handleResizeNS40;
	}
}	

//if(bw.bw) onload=init;