function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
winprops = 'height='+h+', width='+w+', top=50, left='+winl+', scrollbars=no, resizable, status=no, location=no'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}