function NewWindow(mypage, myname, w, h) {

	var winl = ((screen.width - w) / 2)-4;
	var wint = ((screen.height - h) / 2)-13;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',status=no, directories=no, toolbar=no, location=no, menubar=no, scrollbars=yes, resizable=no, Index'
	win = window.open(mypage, myname, winprops)

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

}