diff --git a/dbus-vis/info_panel.js b/dbus-vis/info_panel.js
new file mode 100644
index 0000000..0d1130c
--- /dev/null
+++ b/dbus-vis/info_panel.js
@@ -0,0 +1,133 @@
+// This function accomplishes drag-and-drop gestures by attaching temporary onmouse{up,move} events to the document
+// Only the header is draggable, the content is not
+function DragElement(elt) {
+  var x1=0, y1=0, x2=0, y2=0;
+  let header = document.getElementById(elt.id + "_header");
+  if (header == undefined) {
+    return;
+  }
+  header.onmousedown = DragMouseDown;
+
+  function DragMouseDown(e) {
+    e = e || window.event;
+    e.preventDefault();
+    // get the mouse cursor position at startup:
+    x2 = e.clientX;
+    y2 = e.clientY;
+    document.onmouseup = MouseUp;
+    // call a function whenever the cursor moves:
+    document.onmousemove = MouseMove;
+  }
+
+  function MouseMove(e) {
+    e = e || window.event;
+    e.preventDefault();
+    x1 = x2 - e.clientX; y1 = y2 - e.clientY;
+    x2 = e.clientX; y2 = e.clientY;
+    elt.style.top = (elt.offsetTop - y1) + "px";
+    elt.style.left= (elt.offsetLeft- x1) + "px";
+  }
+
+  function MouseUp() {
+    document.onmouseup = null;
+    document.onmousemove = null;
+  }
+}
+
+function GetTotalCount(titles_and_intervals) {
+  let ret = 0;
+  titles_and_intervals.forEach((ti) => {
+    ret += ti[1].length;
+  });
+  return ret;
+}
+
+var g_info_panel_table = undefined;
+
+// 6 rows
+// Serial, Sender, Dest, Path, Iface, Member
+function AddOneRowToTable(t, content) {
+  let tr = document.createElement("tr");
+  let td = document.createElement("td");
+  td.colSpan = 6;
+  t.appendChild(tr);
+  tr.appendChild(td);
+  td.innerText = content;
+}
+
+function AddDBusRowHeaderToTable(t) {
+  const headers = [ "Serial", "Sender", "Destination", "Path", "Iface", "Member" ];
+  let tr = document.createElement("tr");
+  headers.forEach((h) => {
+    let td = document.createElement("td");
+    td.innerText = h;
+    td.style.backgroundColor = "#888";
+    tr.appendChild(td);
+  });
+  t.appendChild(tr);
+}
+
+function AddDBusMessageToTable(t, m) {
+  const minfo = m[2];
+  const cols = [
+    minfo[2], // serial
+    minfo[3], // sender
+    minfo[4], // destination
+    minfo[5], // path
+    minfo[6], // iface
+    minfo[7], // member
+  ];
+  let tr = document.createElement("tr");
+  cols.forEach((c) => {
+    let td = document.createElement("td");
+    td.innerText = c;
+    td.onclick = () => {
+      console.log(m);
+    };
+    tr.appendChild(td);
+  });
+  t.appendChild(tr);
+}
+
+function UpdateHighlightedMessagesInfoPanel() {
+  const MAX_ENTRIES_SHOWN = 10000; // Show a maximum of this many
+  const ti_dbus = dbus_timeline_view.HighlightedMessages();
+  const ti_ipmi = ipmi_timeline_view.HighlightedMessages();
+
+  if (g_info_panel_table != undefined) {
+    g_info_panel_table.remove(); // Remove from DOM tree
+  }
+  
+  g_info_panel_table = document.createElement("table");
+
+  const p = document.getElementById("highlighted_messages");
+  p.style.display = "block";
+
+  const x = document.getElementById("highlighted_messages_content");
+  x.appendChild(g_info_panel_table);
+  
+  let nshown = 0;
+  const count_dbus = GetTotalCount(ti_dbus);
+  if (count_dbus > 0) {
+    AddOneRowToTable(g_info_panel_table, count_dbus + " DBus messages");
+    AddDBusRowHeaderToTable(g_info_panel_table);
+    for (let i=0; i<ti_dbus.length; i++) {
+      const title_and_msgs = ti_dbus[i];
+      // Title
+      AddOneRowToTable(g_info_panel_table, title_and_msgs[0]);
+      for (let j=0; j<title_and_msgs[1].length; j++) {
+        nshown ++;
+        if (nshown > MAX_ENTRIES_SHOWN) break;
+        AddDBusMessageToTable(g_info_panel_table, title_and_msgs[1][j]);
+        // Messages
+      }
+    }
+  }
+  const count_ipmi = GetTotalCount(ti_ipmi);
+  if (count_ipmi > 0) {
+    AddOneRowToTable(g_info_panel_table, count_ipmi + " IPMI messages");
+  }
+  if (nshown > MAX_ENTRIES_SHOWN) {
+    AddOneRowToTable(g_info_panel_table, "Showing only " + MAX_ENTRIES_SHOWN + " entries");
+  }
+}
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