function high(which2)
{
   theobject=which2;
   highlighting=setInterval("highlightit(theobject)", 50);
}

function low(which2)
{
   clearInterval(highlightit);
   which2.filters.alpha.opacity=70;
}

function highlightit(cur2)
{
   if (cur2.filters.alpha.opacity <100)
       cur2.filters.alpha.opacity +=5;
   else
    if (window.highlighting)
          clearInterval(highlighting);
}