function Up(index) {
	if (document.images)
		document.images['nav' + index].src = navimg2[index].src
}

function Down(index) {
	if (document.images)
		document.images['nav' + index].src = navimg1[index].src
}

var wini; //Reference to a window
function PopWin(url, name, width, height) {
	h = (height) ? height : 500;
	w = (width) ? width : 600;
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings =  'height='+ h +',width='+ w +',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,resizable';
	//if (wini && !wini.closed)
	//		wini.resizeTo(w, h);
	wini = window.open(url,name,settings);
	if (wini)
		wini.focus();
	return ( !wini )
}// PopWin()


function addEvent(obj,evType,fn){
	if(obj.addEventListener){
		obj.addEventListener(evType,fn,true);
		return true;
	}
	else if(obj.attachEvent){
		var r=obj.attachEvent("on"+evType,fn);
		return r;
	}
	else{
		return false;
	}
}

function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}

function findPosY(obj){
	var curtop = 0;
	if (obj.offsetParent) {
		while (obj.offsetParent) {
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function findPosX(obj) {
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function getObj(name) {
  if (document.getElementById) {
  	this.obj = document.getElementById(name);
		if(this.obj) 
			this.style = document.getElementById(name).style;
  }
  else if (document.all) {
		this.obj = document.all[name];
		if(this.obj)
			this.style = document.all[name].style;
  }
  else if (document.layers) {
   	this.obj = document.layers[name];
		if(this.obj)
	   	this.style = document.layers[name];
  }
}