function OuvrirAide(IdPage)
{
    var aForm;
    aForm = Form1.elements;
    var myObject = new Object();
    myObject.WindowRef = window;
    myObject.HtmlPage  = "Help.aspx?IdPage=" + IdPage;
    
        
    window.showModalDialog("ModalContainer.htm", myObject, "dialogHeight: 590px; dialogWidth: 800px;dialogTop: 25px; dialogLeft: 30px; edge: Raised; center: No;help: Yes;resizable: No;scroll: No;status: No;");
}