utiliza esta forma es un poco mas corta pero mas eficiente.
Código PHP:
<?php
// version 1.1
$database_tds=""; // change to your own
$username_tds=""; // change to your own
$password_tds=""; // change to your own
$link = mysql_connect("EP",$username_tds,$password_tds) or die ("Unable to connect to SQL server");
mysql_select_db($database_tds,$link) or die ("Unable to select database");
?>