function stripeLists() {
  if (!document.getElementsByTagName) return false;
  var pages = getElementsByClassName(document, "div", "maincontentproduct");
  for (var i=0; i<pages.length; i++) {
  var lists = document.getElementsByTagName("ol");
  for (var i=0; i<lists.length; i++) {
    var odd = false;
    var rows = lists[i].getElementsByTagName("li");
    for (var j=0; j<rows.length; j++) {
      if (odd == true) {
        addClass(rows[j],"odd");
        odd = false;
      } else {
        odd = true;
      }
    }
  }
  }
}
function addClass(element,value) {
  if (!element.className) {
    element.className = value;
  } else {
    newClassName = element.className;
    newClassName+= " ";
    newClassName+= value;
    element.className = newClassName;
  }
}
addLoadEvent(stripeLists);