function togglePanel(panelName,expandButton,panelId)
{
/*
    $(panelName).slide('toggle');
  //  $(panelName).fade('toggle');
    $(expandButton).className = ($(expandButton).className == "expandbutton_open")?"expandbutton_closed":"expandbutton_open";  
    */
    $(panelName).style.display = '';
    if($(expandButton).className == "expandbutton_open")
    {
        var slide = new Fx.Slide($(panelName), { duration: 1000});
        slide.slideOut();
        $(expandButton).className = "expandbutton_closed";  
    }
    else
    {
        var slide = new Fx.Slide($(panelName), { duration: 1000});
        slide.slideIn();
        $(expandButton).className = "expandbutton_open";  
    }
    
    OnToggleComplete(panelId, $(expandButton).className == "expandbutton_open");
}

function hidePanel(panelName,expandButton)
{
    var slide = new Fx.Slide($(panelName), { duration: 0});
    slide.slideOut();
    
   // var fade = new Fx.Tween($(panelName));
    //fade.set('opacity', '0');
    $(expandButton).className = "expandbutton_closed";  
}