Return false from DoubleClick and Click events in controls so that these events don't filter through and hit the onclick handlers that we might register on the map.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@572 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/LayerSwitcher.js

@@ -115,6 +115,7 @@ OpenLayers.Control.LayerSwitcher.prototype =
     */
     doubleClick: function(evt) {
         Event.stop(evt);
+        return false;
     },
 
     /** 
@@ -144,6 +145,7 @@ OpenLayers.Control.LayerSwitcher.prototype =
         backdropLabel.layer = layer;
 
         // set event handlers
+        backdropLabelOuter.onclick = this.doubleClick.bindAsEventListener(this);
         backdropLabelOuter.ondblclick = this.doubleClick.bindAsEventListener(this);
         backdropLabelOuter.onmousedown = this.singleClick.bindAsEventListener(this);