function showExample(item)
{
    document.getElementById("examples0").style.display = "none";
    document.getElementById("examples1").style.display = "none";
    document.getElementById("examples2").style.display = "none";
    document.getElementById("examples3").style.display = "none";
    document.getElementById("examples4").style.display = "none";
    
    document.getElementById("url1").className = "childUrl";
    document.getElementById("url2").className = "childUrl";
    document.getElementById("url3").className = "childUrl";
    document.getElementById("url4").className = "childUrl";
    
    var Example = eval("document.getElementById('examples" + item + "')");
    var ExampleUrl = eval("document.getElementById('url" + item + "')");
    
    Example.style.display = "block";
    if (item != "0")
    {
        ExampleUrl.className = "childUrl_over";
    }
}