var TagMenuItem = "MenuItem";
var ClassOver   = "active";
var ClassOut    = "normal";

//+---

function MenuOver(MenuItemNum, isOut)
{
   var IDMenuItem  = TagMenuItem +MenuItemNum;
   var objMenuItem = ((document.all) ? document.all[IDMenuItem] : document.getElementById(IDMenuItem));

   objMenuItem.className = ((isOut) ? ClassOut : ClassOver);
}

function MenuOut(MenuItemNum)
{
   MenuOver(MenuItemNum, true);
}