function PromotedLink(imageURL, linkURL, eventURL)
{
    this.image = new Image();
    this.image.src = imageURL;
    this.linkURL = linkURL;
    this.eventURL = eventURL;
}

function LinkCollection(imageID, linkID)
{
    this.list = new Array();
    this.index = 0;
    this.imageID = imageID;
    this.linkID = linkID;
}

function LinkCollection_AddLink(imageURL, linkURL, eventURL)
{
    this.list[this.list.length] = new PromotedLink(imageURL, linkURL, eventURL);
}

function LinkCollection_Rotate()
{
    this.index++;
    
    if (this.index == this.list.length)
        this.index = 0;

    document.getElementById(this.imageID).src = this.list[this.index].image.src;
    
    var link = document.getElementById(this.linkID);
    
    link.onclick = "javascript:urchinTracker('" + this.list[this.index].eventURL + "')";
    link.href = this.list[this.index].linkURL;
    
    setTimeout(function() { onG4Links.Rotate() }, 4000);
}

function LinkCollection_StartTimer()
{
    setTimeout(function() { onG4Links.Rotate() }, 4000);
}

LinkCollection.prototype.AddLink = LinkCollection_AddLink;
LinkCollection.prototype.Rotate = LinkCollection_Rotate;
LinkCollection.prototype.StartTimer = LinkCollection_StartTimer;


var onG4Links = new LinkCollection('imgOnG4', 'lnkOnG4');

function loadOnG4Links()
{

    onG4Links.AddLink('http://cache.g4tv.com/images/imageDB/promoteditems/159/15977_link.JPG', 'http://www.g4tv.com/humanwreckingballs/index.aspx', '/events/homeclicks/on_g4/Human_Wrecking_Balls__All_New_Wednesday');

    onG4Links.AddLink('http://cache.g4tv.com/images/imageDB/promoteditems/167/16786_link.jpg', 'http://www.g4tv.com/ces', '/events/homeclicks/on_g4/CES__Starts_Thursday');

    onG4Links.AddLink('http://cache.g4tv.com/images/imageDB/promoteditems/167/16744_link.jpg', 'http://www.g4tv.com/heroes', '/events/homeclicks/on_g4/Heroes_Marathon__Jan_31');

    onG4Links.AddLink('http://cache.g4tv.com/images/imageDB/promoteditems/167/16787_link.jpg', 'http://www.g4tv.com/aee', '/events/homeclicks/on_g4/AEE_09__Jan_25');

    onG4Links.StartTimer();
}

addLoadEvent(loadOnG4Links);