var wnrcurtain = null;
	var wnrpopup   = null;
	function wnr_alert(msg)
	{
		try
		{
			if (!wnrcurtain) wnrcurtain = document.getElementById('wnrcurtain');
			wnrcurtain.style.visibility = "visible";
			wnrcurtain.style.height  = document.body.clientHeight + "px";
			wnrcurtain.style.width   = document.body.clientWidth  + "px";

			if (!wnrpopup) wnrpopup = document.getElementById('wnrpopup');
			wnrpopup.style.visibility = "visible"; 	
			var txtframe = wnrpopup.getElementsByTagName('div');
			if (txtframe.length > 1) txtframe[1].innerHTML = msg;
			wnrpopup.style.top = (document.body.clientHeight-200)/2+"px";
			wnrpopup.style.left = (document.body.clientWidth-200)/2+"px";
		}
		catch (e)
		{	
			alert(msg);
		}
	}
	function wnr_hide()
	{
		wnrpopup.style.visibility = "hidden"; 	
		wnrcurtain.style.visibility = "hidden"; 	
	}