var popuperCookieName = "deriPopuper";

$(document).ready(function()
{
    $('#jqmCloser').click(function()
    {  
        $.cookie(popuperCookieName, 'showed', { expires: 7 });
    });
    
    if($.cookie(popuperCookieName) != 'showed')
    {
        $('#dialog').jqm({overlay: 0});
        $('#dialog').jqmShow(); 
    }
});