Extract the event handler setting functionality into its own method in preparation for our fix for #57.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@600 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/LayerSwitcher.js

@@ -147,9 +147,7 @@ OpenLayers.Control.LayerSwitcher.prototype =
         backdropLabel.layer = layer;
 
         // set event handlers
-        backdropLabelOuter.onclick = this.ignoreEvent.bindAsEventListener(this);
+        this._setEventHandlers(backdropLabel);
-        backdropLabelOuter.ondblclick = this.ignoreEvent.bindAsEventListener(this);
-        backdropLabelOuter.onmousedown = this.singleClick.bindAsEventListener(this);
 
         // add label to div
         backdropLabelOuter.appendChild(backdropLabel);
@@ -167,7 +165,19 @@ OpenLayers.Control.LayerSwitcher.prototype =
         this.setTabActivation(backdropLabel, layer.getVisibility());
     },
 
+    /*
+      @private
     
+      @param {DOMElement} div
+      @param {Boolean} activate
+    */
+    _setEventHandlers : function(element) {
+
+        // We only want to respond to a mousedown event.
+        element.onclick = this.ignoreEvent.bindAsEventListener(this);
+        element.ondblclick = this.ignoreEvent.bindAsEventListener(this);
+        element.onmousedown = this.singleClick.bindAsEventListener(this);
+    },
 
     /**
     * @private