/**
  * 
  */
 function c_colon_include($element)
 {
     $file = $this->xtml->_getAttributeOrBody($element, "file");
     $attrfile = $element->getAttribute("file");
     if ($file == null || $file == "") {
         print "<pre>Include file({$attrfile}) evaluates to null</pre>";
         die;
     }
     $xtml = new XTMLProcessor($file, null, $this->xtml);
     return $xtml->doinclude();
 }