/**
 * @author Olivier Hermant - ISEP RC
 */
function toggle_visibility(id_hid){
    if (id_hid.style.visibility == 'visible') {
        id_hid.style.visibility = 'hidden';
    }
    else {
        id_hid.style.visibility = 'visible'
    }
}

function toggle_background(id, color1, color2){
    bgColor = id.style.backgroundColor;
    id.style.backgroundColor = color2;
    if (bgColor == id.style.backgroundColor) {
        id.style.backgroundColor = color1;
    }
}

function toggle_border(id, size){
    if ((id.style.borderWidth.substring(0, 3) == '0px') || (id.style.borderWidth == '')) {
        id.style.borderWidth = size + 'px';
    }
    else {
        id.style.borderWidth = '0px';
    }
}

function hide_list(){
    l = document.getElementById('liste_projets');
    l.style.visibility = 'hidden';
    l.style.zIndex = 0;
    t = document.getElementById('texte_choix_2_def');
    t.style.zIndex = 2;
}

function show_list(){
    l = document.getElementById('liste_projets');
    l.style.visibility = 'visible';
    l.style.zIndex = 50;
    t = document.getElementById('texte_choix_2_def');
    t.style.zIndex = 1;
}


function MM_swapImgRestore(){ //v3.0
    var i, x, a = document.MM_sr;
    for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) 
        x.src = x.oSrc;
}

function MM_preloadImages(){ //v3.0
    var d = document;
    if (d.images) {
        if (!d.MM_p) 
            d.MM_p = new Array();
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments;
        for (i = 0; i < a.length; i++) 
            if (a[i].indexOf("#") != 0) {
                d.MM_p[j] = new Image;
                d.MM_p[j++].src = a[i];
            }
    }
}

function MM_findObj(n, d){ //v4.01
    var p, i, x;
    if (!d) 
        d = document;
    if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document;
        n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) 
        x = d.all[n];
    for (i = 0; !x && i < d.forms.length; i++) 
        x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) 
        x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) 
        x = d.getElementById(n);
    return x;
}

function MM_swapImage(){ //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments;
    document.MM_sr = new Array;
    for (i = 0; i < (a.length - 2); i += 3) 
        if ((x = MM_findObj(a[i])) != null) {
            document.MM_sr[j++] = x;
            if (!x.oSrc) 
                x.oSrc = x.src;
            x.src = a[i + 2];
        }
}