var Switcher = {
    initialize: function()
    {
        container = document.getElementById("switcher");
        if (!container) return false;
        image      = container.getElementsByTagName("img")[0];
        addEvent(window, "unload", function() {window.clearInterval(Timer);}, false);
        Switcher.doSwitch();
        Timer     = window.setInterval("Switcher.doSwitch()", 2000);
        i = 0;
    },
    doSwitch: function()
    {      
        var l = Switcher.data.length;
        var i = Math.round((l-1)*Math.random());
        image.src = Switcher.data[i][0];
        image.alt = Switcher.data[i][1];
    },
    data: new Array(
        ["/_images/cli_bancoformosa.png",           "Banco de Formosa",             "#"],
        ["/_images/cli_banelco.png",                "Banelco",                      "#"],
        ["/_images/cli_bersa.png",                  "Nuevo Banco de Entre Ríos",    "#"],
        ["/_images/cli_bna.png",                    "Banco de la Nación Argentina", "#"],
        ["/_images/cli_bsc.png",                    "Banco Santa Cruz",             "#"],
        ["/_images/cli_bsj.png",                    "Banco San Juan",               "#"],
        ["/_images/cli_cobrex.png",                 "Cobrex",                       "#"],
        ["/_images/cli_credicoop.png",              "Banco Credicoop",              "#"],
        ["/_images/cli_kolektor.png",               "Kolektor",                     "#"],
        ["/_images/cli_megatone.png",               "Red Megatone",                 "#"],
        ["/_images/cli_nbsf.png",                   "Nuevo Banco de Santa Fe",      "#"],
        ["/_images/cli_oca.png",                    "OCA",                          "#"],
        ["/_images/cli_ocasa.png",                  "OCASA",                        "#"]
    )
}

addEvent(window, "load", Switcher.initialize, false);