var kickOffSlideShowTimer;
var showSlideShow;
getSlideShowWish();


setupSlideShowClickSpans();

if( showSlideShow)
{
 kickOffSlideShowTimer = window.setTimeout("kickOffSlideShow()", 4000);
}

function slideShowOff()
{
    try
    {
        window.clearTimer(kickOffSlideShowTimer);
        window.clearInterval(intervalTimer);
    }
    catch( e) {}
    
    try
    {
        var spanPre = document.getElementById("spanPreSlideShow");
        spanPre.parentNode.removeChild(spanPre);
    }
    catch( ex) {}

    try
    {
        var spanShow = document.getElementById("spanSlideShow");
        spanShow.parentNode.removeChild(spanShow);
    }
    catch( ex2) {}
    
    document.cookie = "disableSlideShow=true; expires=Tue, 31 Dec 2030 23:59:59 GMT;";
    showSlideShow = false;
    setupSlideShowClickSpans();    
}

function slideShowOn()
{
    document.cookie = "disableSlideShow=false; expires=Tue, 31 Dec 2030 23:59:59 GMT;";
    window.location.reload();
}

function getSlideShowWish()
{
    // default
    showSlideShow = true;

    if( document.cookie)
    {
        var parts = document.cookie.split(";");
        
        for( var i = 0; i < parts.length; i++)
        {
            var curpart = parts[i].replace(/ /, "");
            var subparts = curpart.split("=");
            if( subparts[0] == "disableSlideShow")
            {
                if( subparts[1] == "true") 
                {
                    showSlideShow = false;
                    return;
                }
            }
        }
        
    }
}

function setupSlideShowClickSpans()
{
    var spanOn = document.getElementById("lblSlideShowOn");
    var spanOff = document.getElementById("lblSlideShowOff");
    
    if( showSlideShow)
    {
        spanOn.style.display = "none";
        spanOff.style.display = "inline";
    }
    else
    {
        spanOn.style.display = "inline"
        spanOff.style.display = "none";
    }
}