function setKey(status)
{
   f = document.search;
   if (status == "on")
   {
      f.keyword.value = "";
   }
   else
   {
      if(f.keyword.value == "")
      {
         f.keyword.value = "keyword...";
      }
   }
}

function swapBG(which, state)
{
   if (state == "on")
      which.style.background = "url('http://www.brainoverload.com/wise/images/menu_on.gif')";
   else
      which.style.background = "url('http://www.brainoverload.com/wise/images/menu.gif')";
}

function menuItem(id, status)
{
   img_status = (status == "on")?"_on":"";
   document.images["image_"+id].src = "http://www.brainoverload.com/wise/images/"+page+img_status+"_"+id+".jpg";
}