var global_id=0;
var nn4=(document.layers) ? true : false;
function popUp(fname,wname,wwidth,wheight){
	var posX=Math.round((screen.width-wwidth)/2);
	var posY=Math.round((screen.height-wheight)/2);
	var posCode = (nn4) ? "screenX="+posX+",screenY="+posY : "left="+posX+",top="+posY;
	var newwin = window.open(fname, wname,"toolbar=no,directories=no,menubar=no,scrollbars=no,status=yes,width=" + wwidth + ",height=" + wheight + ",resizable=yes,"+posCode);
	newwin.focus();
	return;
}
window.onerror = function() { return true; }