return expr ? jQuery.filter(expr,this).r.length > 0 : false; 
return expr ? jQuery.multiFilter(expr,this).length > 0 : false; 
	is: function(expr) {		return expr ? jQuery.filter(expr,this).r.length > 0 : false;	},
10252	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10252/f29aa679d26dfc4f883868d041c506eaee4b6064/jquery.js/clean/static/scripts/jquery.js