<!-- hide script from old browsers

ad1 = '<img src="images/ad1.jpg" class="floatTL" />'
ad2 = '<img src="images/ad2.jpg" class="floatTL" />'
ad3 = '<img src="images/ad3.jpg" class="floatTL" />'
ad4 = '<img src="images/ad4.jpg" class="floatTL" />'


var theads = [];

theads[0] = ad1;
theads[1] = ad2;
theads[2] = ad3;
theads[3] = ad4;

NumberOfAds = 4;

var r = Math.ceil(Math.random() * NumberOfAds);
r = r - 1

document.write(theads[r]);

arrvar = 0;

if (r != 0){
theads[arrvar] = ad1;
arrvar = arrvar + 1}

if (r != 1){
theads[arrvar] = ad2;
arrvar = arrvar + 1}

if (r != 2){
theads[arrvar] = ad3;
arrvar = arrvar + 1}

if (r != 3){
theads[arrvar] = ad4;
arrvar = arrvar + 1}

NumberOfAds = 3;

var s = Math.ceil(Math.random() * NumberOfAds);
s = s - 1

document.write(theads[s]);

// end hiding script from old browsers -->                     
                     
                    
