if (document.images) {
            img1on = new Image(); 
            img1on.src = "images/accueil_o.gif";   
            img1off = new Image(); 
            img1off.src = "images/accueil.gif";
            img2on = new Image(); 
            img2on.src = "images/qui_o.gif";   
            img2off = new Image(); 
            img2off.src = "images/qui.gif";  
            img3on = new Image(); 
            img3on.src = "images/structure_o.gif";   
            img3off = new Image(); 
            img3off.src = "images/structure.gif";
            img4on = new Image(); 
            img4on.src = "images/donation_o.gif";   
            img4off = new Image(); 
            img4off.src = "images/donation.gif";
            img5on = new Image();
            img5on.src = "images/contact_o.gif";
            img5off = new Image();
            img5off.src = "images/contact.gif";
            img6on = new Image();
            img6on.src = "images/english_o.gif";
            img6off = new Image();
            img6off.src = "images/english.gif";


        }
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}

function ShowCalInWindow(DaURL) {
        var ItsTheWindow;
        ItsTheWindow = window.open(DaURL, "notes",
"status,height=340,width=340,status=no,scrollbars=yes,resizable=yes,toolbar=0");
        if (parseInt(navigator.appVersion) >= 3){
        ItsTheWindow.focus();
        }
}