/*
window.onload=function(){
    precharge_img();
}

function precharge_img(){
    if(!document.images)
        return;

    var preload_img = new Image();

    preload_img.src = getImgURL("bouton1-over.png");
    preload_img.src = getImgURL("bouton1-over.png");

}
*/

function survol_B1(b1){
    b1.style.cursor = "pointer";
    b1.style.backgroundPosition = "-220px 0px";
}
function quit_survol_B1(b1){
    // b1.style.cursor = "default";
    b1.style.backgroundPosition = "0 0";
}
function survol_B2(b2){
    b2.style.cursor = "pointer";
    b2.style.backgroundPosition = "-220px 0px";
}
function quit_survol_B2(b2){
    b2.style.backgroundPosition = "0 0";
}

function getImgURL(imgPath){
    return "url("+window.location.protocol+"//"+window.location.host+"/cbon2ca/img/"+imgPath+")";
}