var mess = new Array(
'<img src="images/ccol3_image1.jpg" border="0">',
'<img src="images/ccol3_image2.jpg" border="0">',
'<img src="images/ccol3_image3.jpg" border="0">',
'<img src="images/ccol3_image4.jpg" border="0">',
'<img src="images/ccol3_image5.jpg" border="0">',
'<img src="images/ccol3_image6.jpg" border="0">',
'<img src="images/ccol3_image7.jpg" border="0">',
'<img src="images/ccol3_image8.jpg" border="0">');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);