rem: return this.className.test('(?:^|\\s)'+className+'(?:\\s|$)'); 
add: return this.className.test('(?:^|\\s)' + className + '(?:\\s|$)'); 
context: 	hasClass: function(className){		return this.className.test('(?:^|\\s)'+className+'(?:\\s|$)');	},
meta: 8516	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8516/d3992929b1627857ec20f6dfa25ddfbe409db8c5/Element.js/buggy/Native/Element.js