implement dynamic offset (pass in calculateOffset() function) and implement dynamic alpha-safe sizing. I realize some tests still fail. I have to run out for some errands, will be back in 3-4 hours to fix this (namely text layer still has issues. fear not, i will fix these)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@450 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Marker.js

@@ -27,7 +27,7 @@ OpenLayers.Marker.prototype = {
         this.lonlat = lonlat;
         this.icon = (icon) ? icon : OpenLayers.Marker.defaultIcon();
 
-        this.events = new OpenLayers.Events(this, this.icon.image, null);
+        this.events = new OpenLayers.Events(this, this.icon.imageDiv, null);
     },
     
     /** 
@@ -49,7 +49,7 @@ OpenLayers.Marker.prototype = {
             this.icon.moveTo(px);
         }            
     },
-
+    
     /** @final @type String */
     CLASS_NAME: "OpenLayers.Marker"
 };
@@ -62,7 +62,9 @@ OpenLayers.Marker.prototype = {
 OpenLayers.Marker.defaultIcon = function() {
     var url = OpenLayers.Util.getImagesLocation() + "marker.png";
     var size = new OpenLayers.Size(21, 25);
-    var offset = new OpenLayers.Pixel(-(size.w/2), -size.h);
+    var offset = function(size) {
+                    return OpenLayers.Pixel(-(size.w/2), -size.h);
+                 };
 
     return new OpenLayers.Icon(url, size, offset);        
 };