var img_width = "850";
var img_height = "220";



var ad=new Array()
//insert here your images src
ad[0]='banner1.jpg';
ad[1]='banner2.jpg';


var links=new Array()
//insert here your links
links[0]='http://www.bestdirtparts.com';
links[1]='http://www.bestdirtparts.com';



var xy=Math.floor(Math.random()*ad.length);
document.write('<a href="'+links[xy]+'" target="_top"><img src="'+ad[xy]+'" width="'+img_width+'" border="0" height="'+img_height+'"></a>');