couv = new Array;
couv2 = new Array;

couv[0] = "images/1.gif";
couv[1] = "images/2.gif";
couv[2] = "images/3.gif";
couv[3] = "images/4.gif";
couv[4] = "images/5.gif";

couv2[0] = "images/slogan1.png";
couv2[1] = "images/slogan2.png";
couv2[2] = "images/slogan3.png";
couv2[3] = "images/slogan4.png";
couv2[4] = "images/slogan5.png";
num = 0;

function ChangeImage(){
	if (num == -1){
		num = (couv.length-1);
	}
	if(document.getElementById){
		document.getElementById("zone").innerHTML ='<img src="'+ couv[num] + '" style="z-index:1; position:absolute;"> ';
		document.getElementById("zone2").innerHTML ='<img src="'+ couv2[num] + '" style="z-index:1; position:absolute;"> ';
		num = num-1;
	}
	setTimeout("ChangeImage()", 7000);
}
window.onload = ChangeImage;