var sponsors = new Array("logoovl_edit.jpg", "logoredant.jpg", "logosamdam.gif", "logointersport.jpg","vnz_banner.png");
var i=Math.floor(Math.random()*sponsors.length);
function changeSponsor()
{
	document.images["sponsorimg"].src = "images/logos/" + sponsors[i];
    i=i+1;
    if(i>=sponsors.length)
    	i=0;
    setTimeout("changeSponsor()",2000);
}