function popupnr(mylink, mywidth, myheight, refocus)
{
var mywin, href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
mywin = window.open(href, 'closeup', 'Width=' + mywidth + ',Height=' + myheight + 'resizable=no,scrollbar=no');
// if we just opened the window
if (
mywin.closed || (! mywin.document.URL) || (mywin.document.URL.indexOf("about") == 0)
)
mywin.location=href;
else if (refocus)
mywin.focus();
return false;
}