var menu_select_link = 'selected';
var menu_normal_link = '';

var isGecko = document.getElementById && !document.all ? 1 : 0;
var pmenu = "";

function menu_init()
{
   if (isGecko)
   {
      menu_select(document.getElementById('menufirst'));

   } else
   {
      menu_select(document.all[15]);
   }
}

function menu_select(lnk)
{
   if (pmenu)
   {
      if (isGecko)
      {
         plnk = pmenu;
         pimg = pmenu.parentNode.parentNode.nextSibling.nextSibling.firstChild.firstChild.style;
      } else
      {
         plnk = document.all[pmenu];
         pimg = document.all[pmenu + 3].style;
      }

      pimg.display = 'none';
      plnk.className = menu_normal_link;
   }

   if (isGecko)
   {
      img = lnk.parentNode.parentNode.nextSibling.nextSibling.firstChild.firstChild.style;
      pmenu = lnk;

   } else
   {
      img = document.all[lnk.sourceIndex + 3].style;
      pmenu = lnk.sourceIndex;
   }

   lnk.className = menu_select_link;
   img.display = '';
}

function menu_over(lnk)
{
   lnk.className = menu_select_link;
}

function menu_out(lnk)
{
   if (isGecko)
   {
      if (lnk != pmenu)
      {
         lnk.className = menu_normal_link;
      }

   } else if (lnk.sourceIndex != pmenu)
   {
      lnk.className = menu_normal_link;
   }
}