if (this.indexOf(item) != -1) this.push(item); 
if (!this.test(item)) this.push(item); 
	include: function(item){		if (this.indexOf(item) != -1) this.push(item);		return this;	}
6991	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6991/137ad952133182c7285b0a30e94d24365615e46f/Array.js/buggy/Native/Array.js