function NewWindow(mypage, myname, w, h, scroll)
{
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+''
    win = window.open(mypage, myname, winprops)
}
var hh;
var ww;
ww=0;
hh=0;
function NewWindowd(mypage, myname, w, h, scroll)
{
	ww=ww+10;
	hh=hh+10;
    var winl =ww;
    var wint =hh;
    winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+''
    win = window.open(mypage, myname, winprops)
}