function NewWindow(mypage, w, h, scroll)
{
	var winl;
	var wint;
	
	winl = (screen.width - w) / 2;
	wint = (screen.height - h) / 2;

	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',menubar=no,status=no,toolbar=no,location=no,directories=no'

	win = window.open(mypage,'', winprops)
}