rem: var index = Element.$properties[property]; 
add: var index = Element.$attributes[property]; 
context: 	removeProperty: function(property){		var index = Element.$properties[property];		if (index) this[index] = '';		else this.removeAttribute(property);		return this;	},
meta: 6317	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6317/efb4f770b56fdc035f18061222f0527b9b36ca5f/Element.js/buggy/Native/Element.js