return this.className.indexOf(className) !== -1; 
if (!className) return false;  if (this.className === className) return true; var regex = new RegExp("(^|\\s)" + className.escapeForRegExp() + "($|\\s)"); return regex.test(this.className); 
Element.prototype.hasStyleClass = function(className) {    return this.className.indexOf(className) !== -1;}
1725	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1725/046bdcb6878a60db3e3cddff23f5e46d170666a3/utilities.js/clean/WebCore/page/inspector/utilities.js