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

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