// JScript File
var zIndex = 10;
var prevItem = null;
function despreProduse()
{
    if(prevItem != null)
      prevItem.style.visibility="hidden";
      
    var elem = document.getElementById("despre");
    
    zIndex++;
    if(elem != null)
    {
       elem.style.visibility="visible";
       elem.style.zIndex = zIndex;
       prevItem = elem;
    }
    
    return true;
}

function cumComand()
{
    if(prevItem != null)
      prevItem.style.visibility="hidden";
      
    var elem = document.getElementById("comand");
    zIndex++;
    if(elem != null)
    {
       elem.style.visibility="visible";
       elem.style.zIndex = zIndex;
       prevItem = elem;
    }
   
   return true; 
}

function livrare()
{
    if(prevItem != null)
      prevItem.style.visibility="hidden";
 
    var elem = document.getElementById("livrare");
    zIndex++;
    if(elem != null)
    {
       elem.style.visibility="visible";
       elem.style.zIndex = zIndex;
       prevItem = elem;
    }
   
   return true;
}

function retur()
{
    if(prevItem != null)
      prevItem.style.visibility="hidden";
 
    var elem = document.getElementById("retur");
    zIndex++;
    if(elem != null)
    {
       elem.style.visibility="visible";
       elem.style.zIndex = zIndex;
       prevItem = elem;
    }
   
   return true; 
}