<?php
   require_once('includes/config.inc.php');

   function cronusGetThemeCSS () {
      $themePath = "themes/".$GLOBALS['config']['theme']."/".$GLOBALS['config']['theme'].".css";

      if( file_exists($themePath) ) {
         return $themePath;
      } else {
         echo $GLOBALS['config']['theme']; 
         die("Theme error: the current theme does not have a valid CSS file.");
      }
   }

?>