function openwin(lapage, nType) {

    if (nType == 0) { // popup

        if (screen.availWidth < 1024) {
            var largeurEcran = 790;
            var hauteurEcran = 530;

        } else {
            var largeurEcran = 790;
            var hauteurEcran = 530;
        }

        bordg = ((screen.availWidth - largeurEcran) / 2);
        bordh = ((screen.availHeight - hauteurEcran) / 2);
        if (bordh < 0) bordh = 10;
        if (bordg < 0) bordg = 10;

        var fenetre = window.open(lapage, "popup", "width=" + largeurEcran + " ,height=" + hauteurEcran + " ,resizable=0,menubar=no,toolbar=yes,location=no,dependent=yes,scrollbars=no,resizable=no,status=yes,top=" + bordh + ",left=" + bordg);
    }


    if (nType == 1) {  // fullscreen

        var decalLargeur = -12;
        var decalHauteur = 0;
        var largeurEcran = screen.availWidth + decalLargeur;
        var hauteurEcran = screen.availHeight + decalHauteur;

        //800x600
        var fenetre = window.open(lapage, "popup", "width=" + largeurEcran + ",height=" + hauteurEcran + " ,fullscreen=yes,menubar=no,toolbar=no,location=no,dependent=yes,scrollbars=no,resizable=no,status=no,top=0,left=0");

    }

    if (nType == 2) {  // self

        window.document.location.href = lapage;

    }


    if (nType == 3) { // self avec redimensionnement par defaut et resize dynamique activé

        window.document.location.href = lapage;
        window.moveTo(0, 0);
        window.resizeTo(1024, 768);


    }

}