function glomess_update_buttons() {
    if ($("#glomess li:visible").nextAll("li").length)
        glomessnext.addClass("enabled")
    else
        glomessnext.removeClass("enabled")

    if ($("#glomess li:visible").prevAll("li").length)
        glomessprev.addClass("enabled")
    else
        glomessprev.removeClass("enabled")

    //var top = ($("#glomess").height() - 13) / 2
    //glomessnext.css("margin-top", top)
    //glomessprev.css("margin-top", top)
}
function prev_glomess(){
    var current = $("#glomess li:visible")
    if (current.prev("li").length)
        current.hide().prev("li:first").show()
    glomess_update_buttons()
}
function next_glomess(){
    var current = $("#glomess li:visible")
    if (current.next("li").length)
        current.hide().next("li:first").show()
    glomess_update_buttons()
}
function glomess_init () {
    var len =  $("#glomess li").length
    if (!len) return false

    //$("#glomess li").slice(1).hide()
    glomessprev = $('<div id="glomessprev"></div>')
    glomessnext = $('<div id="glomessnext"></div>')
    glomessprev.click(prev_glomess)
    glomessnext.click(next_glomess)
    //if (len > 1) glomessnext.addClass("enabled")
    glomess_update_buttons()
    $("#glomess").prepend(glomessprev).prepend(glomessnext)
}
$(glomess_init)