Merge changes from trunk to 2.4:

svn merge trunk/openlayers/@3088 trunk/openlayers/@HEAD branches/openlayers/2.4/

Changes include:
 * Improved GML parsing to catch fid better
 * Letting panels pass mouseup through
 * Fixing small bug in panel example
 * Display of markers/layers when out of range on startup.
 * Fix to aspect ratio of Overview Map.


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.4@3112 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer.js

@@ -286,6 +286,8 @@ OpenLayers.Layer.prototype = {
             
             if (!this.isBaseLayer) {
                 this.inRange = this.calculateInRange();
+                var show = ((this.visibility) && (this.inRange));
+                this.div.style.display = show ? "" : "none";
             }
             
             // deal with gutters