Improve click behavior on changeset entries

On Chrome, this lets clicks with modifier keys anywhere
on the changeset entry work as expected. On other browsers,
modifier keys still only work on the link itself.

app/assets/javascripts/index/history.js

@@ -10,8 +10,9 @@ OSM.History = function(map) {
       unHighlightChangeset($(this).data("changeset").id);
     })
     .on("click", "[data-changeset]", function (e) {
-      e.preventDefault();
-      clickChangeset($(this).data("changeset").id);
+      if (!$(e.target).is('a')) {
+        clickChangeset($(this).data("changeset").id, e);
+      }
     });
 
   var group = L.featureGroup()
@@ -22,7 +23,7 @@ OSM.History = function(map) {
       unHighlightChangeset(e.layer.id);
     })
     .on("click", function (e) {
-      clickChangeset(e.layer.id);
+      clickChangeset(e.layer.id, e);
     });
 
   group.getLayerId = function(layer) {
@@ -39,8 +40,31 @@ OSM.History = function(map) {
     $("#changeset_" + id).removeClass("selected");
   }
 
-  function clickChangeset(id) {
-    OSM.router.route($("#changeset_" + id).find(".changeset_id").attr("href"));
+  function clickChangeset(id, e) {
+    var evt, el = $("#changeset_" + id).find("a.changeset_id")[0];
+    if ('createEvent' in document) {
+      evt = document.createEvent('MouseEvents');
+      evt.initMouseEvent('click',
+        true, // canBubble
+        true, // cancelable
+        window, // 'AbstractView'
+        e.clicks, // click count
+        e.screenX, // screenX
+        e.screenY, // screenY
+        e.clientX, // clientX
+        e.clientY, // clientY
+        e.ctrlKey, // ctrl
+        e.altKey, // alt
+        e.shiftKey, // shift
+        e.metaKey, // meta
+        e.button, // mouse button
+        e.relatedTarget // relatedTarget
+      );
+      el.dispatchEvent(evt);
+    } else {
+      evt = document.createEventObject();
+      el.fireEvent('onclick', evt);
+    }
   }
 
   function loadData() {