rem: var el = $(el) || new Element(el); 
add: el = $(el) || new Element(el); 
context: 	replaceWith: function(el){		var el = $(el) || new Element(el);		this.parentNode.replaceChild(el, this);		return el;	},
meta: 3891	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3891/03c9c00aa7fdb2f2d8571e7665048da8759cf30a/mootools-uncompressed.js/buggy/includes/js/mootools-uncompressed.js