Pull up most of the changes for what will be 2.5RC4:

* Clone on WMS/MS Untiled, 4760:4761 (Closes #1013) 
 * serviceVersion on TMS, 4720:4721 (Closes #1023)
 * W3CGeo in Format.GeoRSS, 4768:4769, 4778:4779 (Closes #1024)
 * GeoJSON Draft4 Update, 4769:4770 (Closes #1028)
 * pagePosition Regression 4782:4783, (Closes #1034)
 * example changes 4691:4692 (Closes #1040)
 * WFS missing registerTileListener 4759:4760 (Closes #1045)
 * Yahoo API to stop dragging 4792:4793 (Closes #1052)


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.5@4794 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Util.js

@@ -991,7 +991,12 @@ OpenLayers.Util.pagePosition = function(forElement) {
     while(element) {
 
         if(element == document.body) {
-            if(OpenLayers.Element.getStyle(child, 'position') == 'absolute') {
+            // FIXME: IE, when passed 'window' as the forElement, treats it as
+            // equal to document.body, but window.style fails, so getStyle
+            // fails, so we are paranoid and check this here. This check should
+            // probably move into element.getStyle in 2.6.
+            if(child && child.style && 
+               OpenLayers.Element.getStyle(child, 'position') == 'absolute') {
                 break;
             }
         }