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

	winprops = 'height='+wint+',width='+winl+',top='+wint+',left='+wint+',scrollbars='+scroll+',resizable=no';
	win = window.open(mypage, myname, winprops)


	if (parseInt(navigator.appVersion) >= 4)
	{
		win.window.focus();
	}
}