img=new Array("5","4","3","2","1");

url=new Array("mf_top_back.jpg","mf_top_back1.jpg","mf_top_back2.jpg","mf_top_back3.jpg","mf_top_back4.jpg");


i=Math.floor(Math.random() *5);
document.write("<td background=image/" +url[i]+ " valign='top'>");