var lgycurrentpos = 0;

function lgyPreviousAd() { 
    var AdDiv = document.getElementById("DynamicAd");
    if (AdDiv) { 
        lgycurrentpos--; 
        if (lgycurrentpos < 0) { 
            lgycurrentpos = lgysize - 1; 
        }; 
        AdDiv.innerHTML = lgyarrAd[lgycurrentpos];
    }
}

function lgyNextAd() { 
    var AdDiv = document.getElementById("DynamicAd");
    if (AdDiv) { 
        lgycurrentpos++; 
        if (lgycurrentpos >= lgysize) 
        { 
            lgycurrentpos = 0; 
        }; 
        AdDiv.innerHTML = lgyarrAd[lgycurrentpos]; 
    } 
}
function purgeAd()
{
    var AdDiv = document.getElementById("DynamicAd");
    if (AdDiv) {                                     
        AdDiv.innerHTML = lgyarrAd[lgycurrentpos]; 
    } 
}

function rotateAd() { 
    var AdDiv = document.getElementById("DynamicAdLoader");
    if (AdDiv) { 
        lgycurrentpos++; 
        if (lgycurrentpos >= lgysize) 
        { 
            lgycurrentpos = 0; 
        }; 
        if (AdDiv.firstChild==null || AdDiv.firstChild.childNodes.length ==0)
        {
            purgeAd();
            AdDiv.innerHTML = lgyarrAd[lgycurrentpos]; 
        }
        else
        {
            AdDiv.innerHTML = lgyarrAd[lgycurrentpos]; 
            AdDiv.firstChild.firstChild.onload = purgeAd;
        }
    } 
    setTimeout('rotateAd()', 10000); 
}