$.ajax({
      url: "chat.php?action=chatheartbeat",
      cache: false,
      dataType: "json",
      success: function(data) {

        $.each(data.items, function(i,item){
            if (item)   { // fix strange ie bug

                chatboxtitle = item.f;

                if ($("#chatbox_"+chatboxtitle).length <= 0) {
                    createChatBox(chatboxtitle);
                }
                if ($("#chatbox_"+chatboxtitle).css('display') == 'none') {
                    $("#chatbox_"+chatboxtitle).css('display','block');
                    restructureChatBoxes();
                }

                if (item.s == 1) {
                    item.f = username;
                }

                if (item.s == 2) {
                    $("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxinfo">'+item.m+'</span></div>');
                } else {
                    newMessages[chatboxtitle] = true;
                    newMessagesWin[chatboxtitle] = true;
                    $("#chatbox_"+chatboxtitle+" .chatboxcontent").append('<div class="chatboxmessage"><span class="chatboxmessagefrom">'+item.f+':&nbsp;&nbsp;</span><span class="chatboxmessagecontent">'+$.parseHTML(item.m)+'</span></div>');
                }

                $("#chatbox_"+chatboxtitle+" .chatboxcontent").scrollTop($("#chatbox_"+chatboxtitle+" .chatboxcontent")[0].scrollHeight);
                itemsfound += 1;
            }
        });