var timeline = new Array();  
timeline[0] = "timeline1.gif";  
timeline[1] = "timeline2.gif";  
timeline[2] = "timeline3.gif";  
timeline[3] = "timeline4.gif";  
timeline[4] = "timeline5.gif";  
timeline[5] = "timeline6.gif";  
timeline[6] = "timeline7.gif";
timeline[7] = "timeline8.gif";
timeline[8] = "timeline9.gif";
timeline[9] = "timeline10.gif";
timeline[10] = "timeline11.gif";
timeline[11] = "timeline12.gif";
timeline[12] = "timeline13.gif";
timeline[13] = "timeline14.gif";
timeline[14] = "timeline15.gif";
var randno = Math.floor ( Math.random() * timeline.length );
document.write('<img src="/images/timeline/'+timeline[randno]+'" width="605" height="24" alt="Dash timeline">');