var sUserAgent = navigator.userAgent;
var isOpera = sUserAgent.indexOf("Opera") > -1;
var isIE = sUserAgent.indexOf("compatible") > -1 && sUserAgent.indexOf("MSIE") > -1 && !isOpera;

function getNavigatorType() {
	if ( navigator.appName == "Microsoft Internet Explorer" )
		return 1;
	else if ( navigator.appName == "Netscape" )
		return 2;
	else
		return 0;
}
function getAbsoluteOffsetLeft(obj) {
	var x = obj.offsetLeft;
	while (obj = obj.offsetParent) x += obj.offsetLeft;
	return x;
}

function getAbsoluteOffsetTop(obj) {
	var y = obj.offsetTop;
	while (obj = obj.offsetParent) y += obj.offsetTop;
	return y;
}

function popMenuShow(objthis, objsub_name, x, y)
{    
	var popX = getAbsoluteOffsetLeft(objthis);
	var popY = getAbsoluteOffsetTop(objthis);
	
	var objsub = document.getElementById(objsub_name);
	
	objsub.style.display = "";
	objsub.style.left = popX + x + "px";
	objsub.style.top = popY + y + "px";

 	objsub.onmouseover = popMenuOver;
	objsub.onmouseout = popMenuOut;
}

function popMenuOver(evnt){
	this.style.display = "";
}

function popMenuOut(evnt){
	this.style.display = "none";
}

function popMenuHidden(objsub_name)
{
	document.getElementById(objsub_name).style.display = "none";
}