<script language="Java Script" type="text/JavaScript">
<!--
function poptastic(url)
{
newwindow=window.open(url,'name','height=400,width=400,left=0,top=0');
if (window.focus){newwindow.focus()}
}
//-->
</script>


<a href="javascript:poptastic('teste.php')">Clique aqui</a>
<a href="javascript:poptastic('teste1.php')">Clique aqui</a>
<a href="javascript:poptastic('teste2.php')">Clique aqui</a>