function changeopacity( imageobject, opacity ) {

        var object = imageobject.style;

        object.opacity = ( opacity / 100 );

        object.MozOpacity = ( opacity / 100 );

        object.KhtmlOpacity = ( opacity / 100 );

        object.filter = "alpha(opacity=" + opacity + ")";
    }

    function ImagenGrande(ruta) {
        tb_show(null, ruta + '?keepThis=true&TB_iframe=true&height=330&width=440', true);
    }

    function changeborder(imageobject, bwith, cl) {

        var object = imageobject.style;

        object.borderWidth = bwith;
        object.borderColor = cl;
    }