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