function setOpacity(objId,opac)
	{
		var obj = window.document.getElementById(objId);
		obj.style.opacity = opac;
		obj.style.filter = 'alpha(opacity=' + opac * 100 + ')';
		if (opac > 0 )
			obj.style.display = "block";
		else
			obj.style.display = "none";
	}
	
	function findPos(obj) 
	{
		var curleft = curtop = 0;
		if (obj.offsetParent) 
		{
			do 
			{
				curleft += obj.offsetLeft;
				curtop += obj.offsetTop;
//				alert(curleft + ',' + curtop);
			} while (obj = obj.offsetParent);
			return [curleft,curtop];
		}

	}
	
	function showMenu(parentId,menuId,hideIds)
        {
            hideDivs(hideIds);
	    var obj = document.getElementById(parentId);
            var cor = findPos(obj);
            obj = document.getElementById(menuId);
            obj.style.left = cor[0];
            obj.style.top = cor[1] + 15;
            obj.style.display = "block";
	    setOpacity(menuId,0.8)
        }
	
	
	function hideDivs(divIds)
	{
		var Divs = divIds.split("|");
		for(var i = 0; i < Divs.length; i++)
			setOpacity(Divs[i],0);
	}
	
	function divLeft(targetId,srcId)
	{
		//alert(navigator.appName);
		var pos = findPos(document.getElementById(srcId));
		var facta = 0;
		facta 
		document.getElementById(targetId).style.left = pos[0] - facta;
	}