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   | var Chemin;
 
function Precedent(tabPhotos) {
    var n = tabPhotos.length;
    var index;
    alert(Chemin);
    for (var i = 0; i < n; i++) {
        if(tabPhotos[i]==Chemin) {
            index = i;
        }
    }
    alert(index);
    //parcourir tableau OK le tableau est sou le format [['chemin'],['chemin'],['chemin'],['chemin']]
    //chercher le chemin
    //recuperer son id : index est toujours indefined
    //si je clique sur precedent j affiche image dont l index est id-1 sauf si debut [
    var image = index;
 
    new_image = images[image - 1]
    if (new_image != '[') {
        document.getElementById('imgFull').src = new_image;
        image = image - 1;
    }
 
}
 
function LoadDiv(url) {
    var img = new Image();
    var bcgDiv = document.getElementById("divBackground");
    var imgDiv = document.getElementById("divImage");
    var imgFull = document.getElementById("imgFull");
    var imgLoader = document.getElementById("imgLoader");
    imgLoader.style.display = "block";
    img.onload = function () {
        imgFull.src = img.src;
        imgFull.style.display = "block";
        imgLoader.style.display = "none";
    };
    img.src = url;
    Chemin = url;
    var width = document.body.clientWidth;
    if (document.body.clientHeight > document.body.scrollHeight) {
        bcgDiv.style.height = document.body.clientHeight + "px";
    }
    else {
        bcgDiv.style.height = document.body.scrollHeight + "px";
    }
    imgDiv.style.left = (width - 650) / 2 + "px";
    imgDiv.style.top = "20px";
    bcgDiv.style.width = "100%";
 
    bcgDiv.style.display = "block";
    imgDiv.style.display = "block";
    return false;
}
function HideDiv() {
    var bcgDiv = document.getElementById("divBackground");
    var imgDiv = document.getElementById("divImage");
    var imgFull = document.getElementById("imgFull");
    if (bcgDiv != null) {
        bcgDiv.style.display = "none";
        imgDiv.style.display = "none";
        imgFull.style.display = "none";
    }
} | 
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