var nbImgHaut = 8;
var intTime = 5000;
var oldnum;

function startSrc()
{
	if(document.meeticVizHaut) setInterval('setSrc()',intTime);
}

function setSrc()
{
	var ratio = rand(0,7);
	var num = (ratio == 0 && oldnum != 0)? 0 : rand(0,nbImgHaut,oldnum);
	num = (num<10)? '0'+num : num;
	document.meeticVizHaut.src="images/top_foto_"+num+'.jpg';
	oldnum = num;
}

window.onload = startSrc