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: 5237	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5237/ad8b03ef2f543cb40827089026364b080ef5a400/Element.js/buggy/Native/Element.js