function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
/**
 * checkBasketRoute
 * 
 * Checks if we need to route the basket via
 * the measurement form or not
 * 
 * @param	object	frm	The item form object
 */
function checkBasketRoute(frm, cuid){
	if (frm.checkMeasurement.checked) frm.action = '/measurement_form.php?cuid=' + cuid;
	return true;
}