function gotoNextElement(maxLength, currentIndex, nextIndex, event){
          var keycode = navigator.appName == 'Netscape' ? event.which : event.keyCode;
          if(keycode >= 48 && keycode <= 57 ){
              var curValue = window.document.getElementById("" + currentIndex).value;
              var reg = /[^0-9- \.\!]/gi;
              var tempValue = curValue.replace(/[^0-9]/g, "");
              if (tempValue == curValue && curValue.length > 0) {
                    if( curValue.length >= maxLength){
                        var nextElement = window.document.getElementById("" + nextIndex);
                        nextElement.setAttribute('autocomplete','off');
                        nextElement.focus();
                    }
              }
          }
}