<!--

function random_imglink(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[1]="'images/tate_logos/online01.gif'"
myimages[2]="'images/tate_logos/online02.gif'"
myimages[3]="'images/tate_logos/online03.gif'"
myimages[4]="'images/tate_logos/online04.gif'"

//specify corresponding links below
var imagelinks=new Array()
imagelinks[1]="/"
imagelinks[2]="/"
imagelinks[3]="/"
imagelinks[4]="/"

//alt text
var imagetext=new Array()
imagetext[1]="Tate Online"
imagetext[2]="Tate Online"
imagetext[3]="Tate Online"
imagetext[4]="Tate Online"

var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1

document.write('<a href='+'"'+imagelinks[ry]+'"> <img src='+myimages[ry]+' alt="'+imagetext[ry]+'" id="tateOnline"></a>')
}
random_imglink()

//-->