function random_imglink(){
var random=new Array()
random[1]="/images/top_01.jpg"
random[2]="/images/top_02.jpg"
random[3]="/images/top_03.jpg"

var ry=Math.floor(Math.random()*random.length)
if (ry==0)
ry=2
document.write('<img src="'+random[ry]+'" border=0 usemap=#Map2>')
}
random_imglink()