PMQueryString=function(a){QueryString.call(this,a)};PMQueryString.prototype=new QueryString();PMQueryString.prototype.constructor=PMQueryString;PMQueryString.prototype.parent=QueryString.prototype;PMQueryString.prototype.getQueryString=function(b){var a=["MM_webID","keyCode"];var c=this.parent.getQueryString.call(this,b?b:a);return c};