var user_online = true

function check_new_messages (sender,receiver,ticket_id=null){
    // let user_online_check = document.addEventListener("mouseover");
    let data = {
        'sender':sender,
        'receiver':receiver,
        'ticket_id':ticket_id
    }

    $.ajax({
        headers: { "X-CSRFToken": $('input[name=csrfmiddlewaretoken]').val() },
        url: '/ru/messages/update_chat/',
        type: "POST",
        // async: true,
        cache: false,
        processData: false,
        contentType: false,
        // enctype: 'json',
        data: JSON.stringify(data),
        success: function(data){

            if (data.msgs_count > 1){
                document.querySelector(".container-messages").innerHTML = data.html;
            } else {
                document.querySelector(".info_profile").innerHTML = data.html;
            }

        },
        error: function (data){

            document.querySelector(".info_profile").innerHTML = data.responseJSON.html;

        }
    });
}