function imgcarte1(blocimage){
    document.getElementById(blocimage).style.backgroundImage = "url('./images/zoom-1.jpg')" ;
}
function imgcarte2(blocimage){
    document.getElementById(blocimage).style.backgroundImage = "url('./images/zoom-2.jpg')" ;
}
function imgcarte3(blocimage){
    document.getElementById(blocimage).style.backgroundImage = "url('./images/zoom-3.jpg')" ;
}