function mouseover(n)
{
   if (selectedmenu != n)
   {
      if (n == 10 || ((0 < n) && (n < 7))) document.getElementById('navi'+n).style.backgroundImage='url(content/'+n+'_2.gif)';
      else document.getElementById('navi'+n).style.backgroundColor='#EEEEEE';
   }
   return true;
}

function mouseout(n)
{
   if (selectedmenu != n)
   {
      if (n == 10 || ((0 < n) && (n < 7))) document.getElementById('navi'+n).style.backgroundImage='url(content/'+n+'_1.gif)';
      else document.getElementById('navi'+n).style.backgroundColor='#CCCCCC';
   }
   return true;
}