function popup(mylink, windowname, width, height )
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href, windowname, 'scrollbars=no,status=no,width='+width+',height='+height);
return false;
} 

function popupScroll(mylink, windowname, width, height )
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href, windowname, 'scrollbars=yes,status=no,width='+width+',height='+height);
return false;
}