/** * Ajax.Request.abort * extend the prototype.js Ajax.Request object so that it supports an abort method */

Ajax.Request.prototype.abort = function() {    
    // prevent and state change callbacks from being issued    
    this.transport.onreadystatechange = Prototype.emptyFunction;    
    // abort the XHR    
    this.transport.abort();    
    // update the request counter    
    Ajax.activeRequestCount--;
};