1-       :

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin
function popUp() {
props=window.open(' ', 'poppage', 'toolbars=0, scrollbars=1, location=0, statusbars=1, menubars=0, resizable=1, width=500, height=500, left = 150, top = 50');
}
// End -->
</script>

</script>
2-          : 

<A HREF="javascript:popUp()">  </A>