var timerID;
function getImagePageLeft(img) {
	if(ie || w3c) {
		var x, obj;
		x = 0;
		obj = img;
		while (obj.offsetParent != null) {
			x += obj.offsetLeft;
			obj = obj.offsetParent;
		}
		x += obj.offsetLeft;
		return x;
	}
	if(w3c) return img.offsetLeft;
	if(ns) return img.x;
	return -1;
}
function SetStyle(obj,proper,val){
	var objStyle;
	if (w3c)		objStyle = document.getElementById(obj).style;
	else if (ie)	objStyle = document.all[obj].style;
	else if (ns)	objStyle = document.layers[obj];
	eval('objStyle.' + proper + ' = val;');
}
function hideAllMenus() {
	SetStyle('scrollmenu2','visibility','hidden');
	SetStyle('scrollmenu3','visibility','hidden');
	SetStyle('scrollmenu4','visibility','hidden');
	SetStyle('scrollmenu5','visibility','hidden');
}


var detectApp = navigator.appName.toLowerCase();
var detectOS = navigator.platform.toLowerCase();
var MacExplorer =  ( checkIt(detectApp,'explorer') && checkIt(detectOS,'mac') );
function showMenu(menuId, eventObj ,posId) {
	hideAllMenus();
	var oset = ( ! MacExplorer ) ? 0 : getImagePageLeft( document.images['tnbapcpointzero'] )
	var newLeft = ( getImagePageLeft(document.images[posId]) + 10 - oset  ) + 'px';
	SetStyle(menuId,'left',newLeft);
	SetStyle(menuId,'visibility','visible');
	clearTimeout(timerID);
	timerID = setTimeout('hideAllMenus()',5000);
}
var w3c = document.getElementById;
var ns;
var ie;
if(!w3c) {
	ns = (document.layers) ? true : false;
	ie = (document.all) ? true : false;
}