// JScript source code
function hide_2(menunum)
  {
        var currentmenu = document.getElementById("item_" + menunum);
        currentmenu.style.backgroundImage = 'url(images/images/tab2.png)';
  }

function show_2(menunum)
  {
        var currentmenu = document.getElementById("item_" + menunum);
        currentmenu.style.backgroundImage = 'url(images/images/tab2_over.png)';
  }

function hide_1(menunum)
  {
        var currentmenu = document.getElementById("item_" + menunum);
        currentmenu.style.backgroundImage = 'url(images/images/tab1.png)';
  }

function show_1(menunum)
  {
        var currentmenu = document.getElementById("item_" + menunum);
        currentmenu.style.backgroundImage = 'url(images/images/tab1_over.png)';
  }
  
function hide_3(menunum)
  {
        var currentmenu = document.getElementById("item_" + menunum);
        currentmenu.style.backgroundImage = 'url(images/images/tab3.png)';
  }

function show_3(menunum)
  {
        var currentmenu = document.getElementById("item_" + menunum);
        currentmenu.style.backgroundImage = 'url(images/images/tab3_over.png)';
  }