var highlighting;

// toglie la trasparenza
function high(which2){
   theobject=which2
   highlighting=setInterval("highlightit(theobject)",25)
   }

// mette la trasparenza
function low(which2){
   clearInterval(highlighting)
   if (which2.style.MozOpacity)
   which2.style.MozOpacity=0.3
   else if (which2.filters)
   which2.filters.alpha.opacity=60
   }

// sfuma la trasparenza
function highlightit(cur2){
   if (cur2.style.MozOpacity<1)
   cur2.style.MozOpacity=parseFloat(cur2.style.MozOpacity)+0.1
   else if (cur2.filters&&cur2.filters.alpha.opacity<100)
   cur2.filters.alpha.opacity+=20
   else if (window.highlighting)
   clearInterval(highlighting)
   }