function random_imglink(){
var myimages=new Array()
myimages[1]="img/header2.jpg"
myimages[2]="img/header3.jpg"
myimages[3]="img/header4.jpg"
myimages[4]="img/header5.jpg"


var imagelinks=new Array()
imagelinks[1]="index.html"
imagelinks[2]="index.html"
imagelinks[3]="index.html"
imagelinks[4]="index.html"



var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.write('<a href='+'"'+imagelinks[ry]+'"'+'><img src="'+myimages[ry]+'" border=0></a>')
}
random_imglink()