return !!$A(this.getElementsByTagName(Element.get(el, 'tag'))).contains(el); 
return Element.getParents(el, this.get('tag'), true).contains(this); 
	hasChild: function(el){		if (!(el = $(el, true))) return false;		return !!$A(this.getElementsByTagName(Element.get(el, 'tag'))).contains(el);	},
6991	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6991/e1ce71d3e3fcce570b35c6d575ce3a39558ea439/Element.js/clean/Source/Element/Element.js