function makeArray(n) {
this.length = n;
for (var i=1; i<=n; i++) {
this[i] = ""; 
}
return this;
}
var i;
function imagealeatoire() {
i = Math.floor(8 * Math.random() + 1);
return image[i];
}
image = new makeArray(8);
image[1]="Images/790.gif";
image[2]="Images/791.gif";
image[3]="Images/792.gif";
image[4]="Images/793.gif";
image[5]="Images/794.gif";
image[6]="Images/795.gif";
image[7]="Images/796.gif";
image[8]="Images/797.gif";