function popup(mylink)
{
//if (! window.focus) return true;
var href;
if (typeof(mylink) == 'string')
href=mylink;
else
href=mylink.href;
window.open(mylink, "newWindowName", 'width=570, height=455,left=50,top=50, toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no');
}