[Sleipnir]No Click Jacking

NoClickJacking.user.js

// ==UserScript==
// @name           No Click Jacking
// @include        http*
// ==/UserScript==
(function(){
	var deep = true;
	var opacityCancel = function(node){
		var filter = node.currentStyle['filter'];
		if (filter.indexOf('opacity') != -1)
			node.style.filter = 'alpha(opacity=100)';
	};
	var iframes = document.getElementsByTagName('iframe');
	for (var i = 0, l = iframes.length; i < l; i++) {
		var filter = iframes[i].currentStyle['filter'];
		if (deep)
			(function(node){
				while(node && node.nodeName != 'BODY' && node.currentStyle){
					opacityCancel(node);
					node = node.parentNode;
				}
			})(iframes[i]);
		else 
			opacityCancel(iframes[i]);
	}
})();