function chooseSize(sens) {
    if (!taille) taille = 0;

    if (sens == "-") taille--;
    if (sens == "+") taille++;
    
    document.getElementById("pol1").disabled = true;
    document.getElementById("pol2").disabled = true;
    if (taille != 0) {
        document.getElementById("pol"+taille).disabled = false;
    }

    var date = new Date();
    date.setTime(date.getTime()+(365*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
    document.cookie = "taille="+taille+expires+"; path=/";
    
    icoChange();
}

function icoChange() {
    boutons = "";
    if ((taille == 0) || (taille == 1)) {
        boutons += "<a href=\"#\" onclick=\"chooseSize('+')\" title=\"Agrandir la taille du texte\"><img src=\"aw_template/css/police/ico-grand.gif\" alt=\"Agrandir la taille du texte\" border=\"0\" /></a>";
    } else {
        boutons += "<img src=\"aw_template/css/police/ico-grand-off.gif\" alt=\"\" border=\"0\" />";
    }
    boutons += " ";
    if ((taille == 1) || (taille == 2)) {
        boutons += "<a href=\"#\" onclick=\"chooseSize('-')\" title=\"Reduire la taille du texte\"><img src=\"aw_template/css/police/ico-petit.gif\" alt=\"Reduire la taille du texte\" border=\"0\" /></a>";
    } else {
        boutons += "<img src=\"aw_template/css/police/ico-petit-off.gif\" alt=\"Reduire la taille du texte\" border=\"0\" />";
    }
    boutons += "";
    document.getElementById("fontsize").innerHTML = boutons;
}

var taille;

function createCookie(name,value,days) {
    if (days) {  
    var date = new Date(); 
    date.setTime(date.getTime()+(days*24*60*60*1000)); 
    var expires = "; expires="+date.toGMTString();
    }
    else expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
}
function check_fontsize() {
    taille = readCookie("taille");
    if (!taille) taille=0;
    document.getElementById("pol1").disabled = true;
    document.getElementById("pol2").disabled = true;
    if (taille>0) document.getElementById("pol"+taille).disabled = false;
    icoChange();
}