> JANELA QUE CHAMA POPUP

<script type='text/javascript'>
<!--
function passar_var(meuVar) {
	alert(meuVar);
}
function open_popup() {
	var WindowObject = window.open('popup_searc.php', 'Janela', 'width=550,height=450,top=200,left=250,toolbars=no,scrollbars=yes,status=no,resizable=yes');
	//location.href='popup_searc.php';
}
//-->
</script>


onClick="javascript:open_popup();



 > NO POPUP:

<input type='button' value='teste' onclick='window.opener.passar_var(\"qeweq\"); window.close();' />