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

	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
	if (menubar == 'yes') {winprops = winprops + ',menubar=yes'}
	if (url == '')
	{
		win = window.open(mypage, myname, winprops)
	}
	else
	{
		win = window.open(mypage + '&page=' + url, myname, winprops)
		if (!win.opener)
		{
			win.opener = self
		}
	}
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}