var currslid = 0;
var count = 4;
var slidint;
function setfoc(id)
{
    var imgurl = document.getElementById("magpic" + id).src;
    document.getElementById("focpic").src = imgurl.substring(0, imgurl.lastIndexOf("/")) + "/01.jpg";
    document.getElementById("focpic").index = id;
    currslid = id;
    for(i = 0; i < count; i ++ )
    {
        document.getElementById("tmb" + i).className = "thubpic";
        document.getElementById("divthumbdesc" + i).style.display = "none";
    }
    ;
    document.getElementById("tmb" + id).className = "thubpiccur";
    document.getElementById("divthumbdesc" + id).style.display = "";
    focpic.style.visibility = "hidden";
    focpic.filters[0].Apply();
    if (focpic.style.visibility == "visible")
    {
        focpic.style.visibility = "hidden";
        focpic.filters.revealTrans.transition = 23;
    }
    else
    {
        focpic.style.visibility = "visible";
        focpic.filters[0].transition = 23;
    }
    focpic.filters[0].Play();
    stopit();
}

function playnext()
{
    if(currslid == count - 1)
    {
        currslid = 0;
    }
    else
    {
        currslid ++ ;
    }
    ;
    setfoc(currslid);
    playit();
}
function playit()
{
    slidint = setTimeout(playnext, 4500);
}
function stopit()
{
    clearTimeout(slidint);
}
window.onload = function()
{
    playit();
}