function makeArray(n) {
	this.length = n;
	for (var i=1; i<=n; i++) {
		this[i] = ""; 
	}
	return this;
}
var i;
function imagealeatoire() {
	i = Math.floor(14 * Math.random() + 1);
	document.getElementById("bando").style.backgroundImage = image[i];
}

image = new makeArray(14);

image[1]="url(jonathan_perrot/bando/jonathan_perrot_vecto.png)";	
image[2]="url(jonathan_perrot/bando/jonathan_perrot_vecto2.png)";	
image[3]="url(jonathan_perrot/bando/jonathan_perrot_vecto3.png)";	
image[4]="url(jonathan_perrot/bando/jonathan_perrot_vecto4.png)";	
image[5]="url(jonathan_perrot/bando/jonathan_perrot_vecto5.png)";	
image[6]="url(jonathan_perrot/bando/jonathan_perrot_vecto6.png)";	
image[7]="url(jonathan_perrot/bando/jonathan_perrot_vecto7.png)";	
image[8]="url(jonathan_perrot/bando/jonathan_perrot_vecto8.png)";	
image[9]="url(jonathan_perrot/bando/jonathan_perrot_vecto9.png)";	
image[10]="url(jonathan_perrot/bando/jonathan_perrot_vecto10.png)";
image[11]="url(jonathan_perrot/bando/jonathan_perrot_vecto11.png)";	
image[12]="url(jonathan_perrot/bando/jonathan_perrot_vecto12.png)";	
image[13]="url(jonathan_perrot/bando/jonathan_perrot_vecto13.png)";	
image[14]="url(jonathan_perrot/bando/jonathan_perrot_vecto14.png)";