lil js refactoring

app/assets/javascripts/tree.js

@@ -0,0 +1,21 @@
+/**
+ * Tree slider for code browse
+ *
+ */
+var Tree = { 
+  init: 
+    function() { 
+      $('#tree-slider td.tree-item-file-name a, #tree-breadcrumbs a').live("click", function() {
+        history.pushState({ path: this.path }, '', this.href)
+      })
+
+      $("#tree-slider tr.tree-item").live('click', function(e){
+        if(e.target.nodeName != "A") {
+          e.stopPropagation();
+          link = $(this).find("td.tree-item-file-name a");
+          link.click();
+          return false;
+        }
+      });
+    }
+}