var nver,ver,agent,dom,opera,ie5,ie6,ie4,ie,mac,ns6,ie3,hotjava,ns4,bw,ver3,opera7,operaOld;
var HideMenuTimer = null;
var InMenu=0;
var stack=[];
var is_major=parseInt(navigator.appVersion);nver=is_major;ver=navigator.appVersion;agent=navigator.userAgent;dom=document.getElementById?1:0;opera=window.opera?1:0;ie5=(ver.indexOf("MSIE 5")>-1&&dom&&!opera)?1:0;ie6=(ver.indexOf("MSIE 6")>-1&&dom&&!opera)?1:0;ie4=(document.all&&!dom&&!opera)?1:0;ie=ie4||ie5||ie6;mac=agent.indexOf("Mac")>-1;ns6=(dom&&parseInt(ver)>=5)?1:0;ie3=(ver.indexOf("MSIE")&&(is_major<4));hotjava=(agent.toLowerCase().indexOf('hotjava')!=-1)?1:0;ns4=(document.layers&&!dom&&!hotjava)?1:0;bw=(ie6||ie5||ie4||ns4||ns6||opera);ver3=(hotjava||ie3);opera7=((agent.toLowerCase().indexOf('opera 7')>-1) || (agent.toLowerCase().indexOf('opera/7')>-1));operaOld=opera&&!opera7;
function get_obj(name){return ns4?document.layers[name]:document.all?document.all[name]:document.getElementById(name);}
function visDiv(d,s){if (ns4) {d.visibility=s?'show':'hide';} else {d.style.visibility=s?'visible':'hidden';} }
function moveTo(div, x, y){	if(ns4){div.moveTo(x,y);}else{div.style.left=x;div.style.top=y;}}
function showDiv(DivName,x,y,o,vdir,hdir)
{
	var div=get_obj(DivName);
	if (!div) return;
	var obj=document.images[o] || document.links[o] || document.anchors[o] || get_obj(o);
	var nx=moveXbySlicePos(x,obj);
	var ny=moveYbySlicePos(y,obj);
	if (vdir=='up')
		ny=ny-div.offsetHeight;
	if (obj && hdir=='right')
		nx=nx+obj.offsetWidth;
	moveTo(div, nx, ny)
	visDiv(div,1);
}
function moveXbySlicePos (x, img) {
	if (!document.layers) {
		var onWindows = navigator.platform ? navigator.platform == "Win32" : false;
		var macIE45 = document.all && !onWindows && getExplorerVersion() == 4.5;
		var par = img;
		var lastOffset = 0;
		while(par){
			if( par.leftMargin && ! onWindows ) x += parseInt(par.leftMargin);
			if( (par.offsetLeft != lastOffset) && par.offsetLeft ) x += parseInt(par.offsetLeft);
			if( par.offsetLeft != 0 ) lastOffset = par.offsetLeft;
			par = macIE45 ? par.parentElement : par.offsetParent;
		}
	} else if (img.x) x += img.x;
	return x;
}
function moveYbySlicePos (y, img) {
	if(!document.layers) {
		var onWindows = navigator.platform ? navigator.platform == "Win32" : false;
		var macIE45 = document.all && !onWindows && getExplorerVersion() == 4.5;
		var par = img;
		var lastOffset = 0;
		while(par){
			if( par.topMargin && !onWindows ) y += parseInt(par.topMargin);
			if( (par.offsetTop != lastOffset) && par.offsetTop ) y += parseInt(par.offsetTop);
			if( par.offsetTop != 0 ) lastOffset = par.offsetTop;
			par = macIE45 ? par.parentElement : par.offsetParent;
		}		
	} else if (img.y >= 0) y += img.y;
	return y;
}
function StartTimeOut(){InMenu=0; HideMenuTimer = setTimeout("HideMenu()",300);}
function StopTimeOut(){	InMenu=1; if (HideMenuTimer) clearTimeout(HideMenuTimer); HideMenuTimer = null;}
function ShowMenu(div,el,x,y,v_direction,h_direction){ 
	HideMenu(); 
	InMenu=1; 
	StopTimeOut(); 
	showDiv(div,x,y,el,v_direction,h_direction);
	if (div.indexOf("ctitems")==-1 && get_obj(div)) HideSelect();
	registerDiv(div);
}
function ShowSubMenu(parent_div,div,el,x,y,v_direction,h_direction){ 
	HideMenu();
	var p_div=get_obj(parent_div);
	if (p_div) {
		visDiv(p_div,1);
		registerDiv(parent_div);
	}
	InMenu=1; 
	StopTimeOut(); 
	showDiv(div,x,y,el,v_direction,h_direction);
	HideSelect();
	registerDiv(div);
}
function registerDiv(DivName){
	var div=get_obj(DivName);
	if (div) stack[stack.length]=div;
}
function HideMenu(){
	if (InMenu==0) {
		for (var i=0; i<stack.length; i++)
			visDiv(stack[i],0);
		stack.length=0;
		ShowSelect();
	}
}
function preload(){var args = preload.arguments;document.imageArray = new Array(args.length); for(var i=0; i<args.length; i++){document.imageArray[i] = new Image;document.imageArray[i].src = args[i];}}
function ShowSelect(){
	var obj=get_obj('groupselect');
	if (obj)
		visDiv(obj,1);
}
function HideSelect(){
	var obj=get_obj('groupselect');
	if (obj)
		visDiv(obj,0);
}

var bV = parseInt(navigator.appVersion);
var NS4 = (document.layers) ? true : false;
var IE4 = ((document.all) && (bV >= 4)) ? true : false;
var ver4 = (NS4 || IE4) ? true : false;
function expandIt(){return;}
var isExpanded = false;
function initIt(){
	var tempColl = document.all.tags("DIV");
	for (i=0; i < tempColl.length; i++){
		if (tempColl(i).className == "child") tempColl(i).style.display = "none";
	}
}

function CloseIt(ex){
	var tempColl = document.all.tags("DIV");
	var exEl = "c" + ex + "Child";
	for (i=0; i < tempColl.length; i++){
		if (tempColl(i).id != exEl){
			if (tempColl(i).className == "child") tempColl(i).style.display = "none";
			if (tempColl(i).className == "childo") tempColl(i).style.display = "none";
		}
	}
	tempColl = document.all.tags("TR");
	exEl = "c" + ex + "ChildTR";
	for (i=0; i < tempColl.length; i++){
		if(tempColl(i).id != exEl){
			if (tempColl(i).className == "child") tempColl(i).style.display = "none";
			if (tempColl(i).className == "childo") tempColl(i).style.display = "none";
		}
	}
	return false;
}

function expandIt(el){
	if (!ver4 && navigator.appName != 'Netscape') return true;
	return expandIE(el);
}

function expandIE(el){
	var whichElStr = el + "Child";
	var whichEl = document.getElementById( whichElStr );
	if ( whichEl == null){ return true; }
	if (whichEl.style.display == "none" || whichEl.style.display == ''){ whichEl.style.display = "block"; this.innerHTML="-"; }
  	else if( whichEl.style.display = "block" ){ whichEl.style.display = "none"; this.innerHTML="+"; }
	return false;
}

function hideshow(num){
	var el = document.getElementById('tree_' + num);
	if (el.style.display == 'none'){ el.style.display = 'block'; }
	else{ el.style.display = 'none'; }
	return false;
}