function vignet(a){
calcul=a*260;calage=-calcul+"px 0";
document.getElementById("vignette").style.backgroundPosition=calage;
document.getElementById("vignette").style.visibility="visible";
}
function zou(){
document.getElementById("vignette").style.visibility="hidden";
}
/*copyLeft Laure Guggenheim*/
function hopla(){document.location.href="/"}