var win = null;
function newwindow(mypage,myname,w,h,scroll) {
var h = 650;
var w = 875;
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2.2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
return false;
}