var win=null;
	function NewWindow(mypage,myname,w,h){
		LeftPosition=(screen.availWidth-w)/2;
		TopPosition=(screen.availHeight-h)/2;
		settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
		win=window.open(mypage,myname,settings);
	}