~~~ this.ClearHeadJs = function (src) { var js = document.getElementsByTagName('head')[0].children; var obj = null; for (var i = 0; i < js.length; i++) { if (js[i].tagName.toLowerCase() == "script" && js[i].attributes['src'].value.indexOf(src) > 0) { obj = js[i]; } } document.getElementsByTagName('head')[0].removeChild(obj); }; ~~~