In searchExplorer.js, use SearchResultModel.prototype = new mExplorer.ExplorerModel() instead of mExplorer.ExplorerModel.prototype
diff --git a/bundles/org.eclipse.orion.client.core/web/orion/searchExplorer.js b/bundles/org.eclipse.orion.client.core/web/orion/searchExplorer.js
index 1f3029c..9e0dd0e 100644
--- a/bundles/org.eclipse.orion.client.core/web/orion/searchExplorer.js
+++ b/bundles/org.eclipse.orion.client.core/web/orion/searchExplorer.js
@@ -24,7 +24,7 @@
 		var isWindows = navigator.platform.indexOf("Win") !== -1;
 		this._lineDelimiter =/* isWindows ? "\r\n" :*/ "\n"; 
 	}
-	SearchResultModel.prototype = mExplorer.ExplorerModel.prototype; 
+	SearchResultModel.prototype = new mExplorer.ExplorerModel(); 
 	
 	SearchResultModel.prototype.getRoot = function(onItem){
 		onItem(this.root);