function random_imglink(){
var myimages=new Array()
myimages[1]="img/testata/sezione_alta.jpg"



var ry=Math.floor(Math.random()*myimages.length)
if (ry==0)
ry=1
document.getElementById('testata').innerHTML = '<img src="'+myimages[ry]+'" border=0>';

}

function random_imglink2(){
var myimages2=new Array()
myimages2[1]="../img/testata/sezione_alta.jpg"



var ry2=Math.floor(Math.random()*myimages2.length)
if (ry2==0)
ry2=1
document.getElementById('testata2').innerHTML = '<img src="'+myimages2[ry2]+'" border=0>';

}