var NbImages = 6;
		
		// Table contenant les images
		ListeImages = new Array(NbImages);
		
		ListeImages[0] = "entete00.jpg";
		ListeImages[1] = "entete01.jpg";
		ListeImages[2] = "entete02.jpg";
		ListeImages[3] = "entete04.jpg";
		ListeImages[4] = "entete05.jpg";
		ListeImages[5] = "entete06.jpg";
		ListeImages[6] = "entete07.jpg";
		
		function Aleatoire(mini,maxi) {
			var x = -1;
		
			while (x < mini) {
				x = Math.round(Math.random() * maxi);
			}
		
			return x;
		}
		
		function PutImage() {
			i = Aleatoire(0,NbImages-1);
			document.write("<style type='text/css'>");
			document.write("<!--");
			document.write("#header{background:url(images/bkg/" + ListeImages[i] + ") no-repeat;}");
			document.write("-->");
			document.write("</style>");
		}