rem: var node = nodes[i]; 
add: var node = nodes[i]; 
context: Wicket.Head.containsElement = function(element, mandatoryAttribute) {	var attr = element.getAttribute(mandatoryAttribute);	if (attr == null || attr == "" || typeof(attr) == "undefined")		return false;	var head = document.getElementsByTagName("head")[0];	var nodes = head.getElementsByTagName(element.tagName);	for (var i = 0; i < nodes.length; ++i) {		var node = nodes[i];						if (node.tagName.toLowerCase() == element.tagName.toLowerCase() &&			(node.getAttribute(mandatoryAttribute) == attr ||		     node.getAttribute(mandatoryAttribute+"_") == attr)) {		    return true;		}	}	return false;}
meta: 1204	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1204/9db8b02f83a167855b2e056e3eddcb53c8bb1575/wicket-ajax.js/clean/wicket/src/main/java/wicket/ajax/wicket-ajax.js