function random_imglink(){
var myimages=new Array()
//specify random images below. You can have as many as you wish
myimages[1]="images/adverts/left_random/advert1.gif"
myimages[2]="images/adverts/left_random/advert2.gif"
myimages[3]="images/adverts/left_random/advert3.gif"


//specify corresponding links below
var imagelinks=new Array()
imagelinks[1]="recording.htm" 
imagelinks[2]="rehearsal.htm" 
imagelinks[3]="recording.htm" 


var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<a href='+'"'+imagelinks[ry]+'"'+'target=_blank'+'>'+'<img src="'+myimages[ry]+'"alt="Click for more information or to visit our website"'+'border=0></a>')
}
random_imglink()