function ShowHide(id1, id2, id3) 
{ 
   var res = expMenu(id1); 
   if (id2 != '') expMenu(id2); 
   if (id3 != '') SetCookie(id3, res, exp); 
} 
    
function expMenu(id) 
{ 
   var itm = null; 
   if (document.getElementById) 
   { 
      itm = document.getElementById(id); 
   } 
   else if (document.all) 
   { 
      itm = document.all[id]; 
   } 
   else if (document.layers) 
   { 
      itm = document.layers[id]; 
   } 
   if (!itm) 
   { 
      // do nothing 
   } 
   else if (itm.style) 
   { 
      if (itm.style.display == "none") 
      { 
         itm.style.display = ""; 
         return 1; 
      } 
      else 
      { 
         itm.style.display = "none"; 
         return 2; 
      } 
   } 
   else 
   { 
      itm.visibility = "show"; 
      return 1; 
   } 
} 

function show_hide_text(divObj) {
    var div = divObj.parentNode.getElementsByTagName('div')[1];
    if (div.style.display == 'none') {
        div.style.display = 'block';
        divObj.innerHTML = show_hide_text(this);
    } else {
        div.style.display = 'none';
        divObj.innerHTML = show_hide_text(this);
    }
}