function popupnr(mylink, windowname, refocus) {
var mywin, href;

if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
mywin = window.open('', windowname, 'resizable=1,width=370,height=250, top=520, left=620');

// if we just opened the window
if (mywin.closed || (! mywin.document.URL) || (mywin.document.URL.indexOf("about") == 0))
mywin.location=href;
if (window.focus) {
		mywin.focus()
		}
}