function openWindow(newURL) 
{
	var newLeft=(screen.availWidth-350-10)/2;
	var newTop=(screen.availHeight-400)/2;
	var setting="toolbar=no, width=800,height=800,directories=no,status=no,scrollbars=no,resize=no,menubar=no";
	setting=setting+",left="+newLeft+",top="+newTop;
	msgWindow=window.open(newURL,"newWindow",setting);
}