function NewWindow(mypage, myname, w, h, scroll, resize) {
	 var winl = (screen.width - w) / 2;
	 var wint = (screen.height - h) / 2;
	 winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable='+resize
	 win = window.open(mypage, myname, winprops)
	 if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}