function toggleDisplay(itemname)
{
tmp = document.getElementsByTagName('div');
   for (i=0;i<tmp.length;i++)
   {
      if (tmp[i].className == itemname) tmp[i].style.display = (tmp[i].style.display == 'none' || tmp[i].style.display == '') ?
'block' : 'none';
   }
}

function toggleDisplayallADSL()
{
toggleDisplay('toggle1')
toggleDisplay('toggle2')
toggleDisplay('toggle3')
}