function addClassSwitcherToProducts () {
  if (document.getElementById && document.createTextNode) {
    var productsBlock = document.getElementById('lProducts');
    if (productsBlock) {
      var divs=productsBlock.getElementsByTagName('div');
      for (var i=0; i<divs.length; i++) {
        divs[i].onmouseover = function () {addClass(this, 'selected')};
        divs[i].onmouseout = function () {removeClass(this, 'selected')};
      }
    }
  }
}