Revert "Merge pull request #708 from mpriour/displayEvent"

This reverts commit 0b3f582e10, reversing
changes made to 74103ec3e0.

The reason for reverting this is a regression. See #997.

lib/OpenLayers/Layer.js

@@ -743,6 +743,12 @@ OpenLayers.Layer = OpenLayers.Class({
             this.visibility = visibility;
             this.display(visibility);
             this.redraw();
+            if (this.map != null) {
+                this.map.events.triggerEvent("changelayer", {
+                    layer: this,
+                    property: "visibility"
+                });
+            }
             this.events.triggerEvent("visibilitychanged");
         }
     },
@@ -759,11 +765,6 @@ OpenLayers.Layer = OpenLayers.Class({
     display: function(display) {
         if (display != (this.div.style.display != "none")) {
             this.div.style.display = (display && this.calculateInRange()) ? "block" : "none";
-            if(this.map){
-                this.map.events.triggerEvent("changelayer", {
-                    layer: this, property: "visibility"
-                });
-            }
         }
     },
 

lib/OpenLayers/Map.js

@@ -2038,7 +2038,9 @@ OpenLayers.Map = OpenLayers.Class({
                         if (!inRange) {
                             layer.display(false);
                         }
-
+                        this.events.triggerEvent("changelayer", {
+                            layer: layer, property: "visibility"
+                        });
                     }
                     if (inRange && layer.visibility) {
                         layer.moveTo(bounds, zoomChanged, options.dragging);