typeof fn[0] == "undefined" && /function/i.test( fn + "" ); 
fn.constructor != Array && /function/i.test( fn + "" ); 
	isFunction: function( fn ) {		return !!fn && typeof fn != "string" && !fn.nodeName && 			typeof fn[0] == "undefined" && /function/i.test( fn + "" );	},
10252	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10252/f29aa679d26dfc4f883868d041c506eaee4b6064/jquery.js/clean/static/scripts/jquery.js