function HighLight(onClassName, offClassName) {
  var canWork = (browser.code == 0 && browser.version >= 5) || (browser.code == 1 && browser.version >=5);

  this.onClassName = (onClassName || onClassName+1) ? onClassName : "";
  this.offClassName = (offClassName || offClassName+1) ? offClassName : "";

  this.on = canWork ?
    function (itemObj) {
      itemObj.className = this.onClassName
    }
    :
    function () {};

  this.off = canWork ?
    function (itemObj) {
      itemObj.className = this.offClassName
    }
    :
    function () {};

  this.getURL = canWork ?
    function (itemObj) {
      var aArray = itemObj.getElementsByTagName("a");
        if (aArray.length == 1)
          window.location = aArray[0].href
    }
    :
    function () {}
}