Page Comparison

var CustomEventHandlers = {
       setup: function (el) {
           if (CustomView.hasClass(el, 'PhoneInsert')) {
  
            FEvent.observe(el, 'keydown', this.formatPHONE.bindAsObserver(this, el));
               FEvent.observe(el, 'keyup', this.formatPHONE.bindAsObserver(this, el));
           }
    },
   }, formatPHONE: function (event, element) {
           if (event.keyCode != 46 && event.keyCode != 8) {
 
             fldVal = $(element).value;
               var nom = fldVal.charAt(fldVal.length - 1);
  
            if (isNaN(nom) && nom != "-") {

                  $(element).value = fldVal.substring(0, fldVal.length - 1);
               } else {
                   if ((fldVal.length == 3) || (fldVal.length == 7)) {

                      $(element).value = fldVal + "-";
  
                }
  
                if (fldVal.length > 12) {
 
                     $(element).value = fldVal.substring(0, fldVal.length - 1);
                   }
               }
           }
  
    }
  
}