function ttrand(){
 var images=new Array()
 //list of images
 images[0]="images/loyd2.jpg"
 images[1]="images/Yi_Mao2.jpg"
 images[2]="images/bewick_interview_550x163.jpg"
 images[3]="images/xavier_video_550x163.jpg"
 images[4]="images/agustovideo.jpg"
 images[5]="images/akcay_550x163.jpg"
 images[6]="images/godsoe_550x163.jpg"
 images[7]="images/armsworth_bode_550x163.jpg"
 images[8]="images/siopsis_interview_550x163.jpg"
 images[9]="images/songwriter_550x163.jpg"

 var ref=new Array()
 //list of links
ref[0]="videos/feralcats"
ref[1]="videos/protein_evolution"
ref[2]="videos/bewick"
ref[3]="videos/thibert-plante"
ref[4]="videos/agusto_interview"
ref[5]="videos/akcay_interview"
ref[6]="videos/godsoe_interview"
ref[7]="videos/armsworth_bode_interview"
ref[8]="videos/siopsis_interview"
ref[9]="songwriter"

var ry=Math.floor(Math.random()*images.length)

document.write('<a href="'+ref[ry]+'"><img src="'+images[ry]+'" style="float: left; margin-left: 0px; margin-bottom: 0px; margin-right: 0px; margin-top: 0px" width="550" border="1" />')

}

ttrand()