function ToggleStep(id)
{
    var div = document.getElementById(id);
    
    if(div.style.display == "none")
    {
        document.getElementById("img" + id).className = "arrowDown";
    }
    else
    {
        document.getElementById("img" + id).className = "arrowRight";
    }
    
    new Effect.toggle(id,'blind',{duration:.3}); return false;
}