/*		function PopupWindowChat(sPicURL,w,h)
		{ 
			var winl = (screen.width - w) / 2;
			var wint = (screen.height - h) / 2;
			winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',resizable=yes,modal=yes';
			window.open(sPicURL,"PopUp",winprops);
		}
*/	
var myWind="";	
function PopupWindowChat(sPicURL,wName,w,h) 
{ 
	var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    // for simple window.open
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',resizable=0'
	if(myWind=="" || myWind.closed || myWind.name==undefined)
	{
		myWind=window.open(sPicURL,wName,winprops);
		myWind.focus();
	}
	else
	{
		myWind.focus();
	}
}