According to http://wiki.openstreetmap.org/wiki/Mapquest#MapQuest-hos…

…ted_map_tiles the attributtion

for Open Street Map derived Map Quest tiles was wrong. Fixed.

examples/mapquest.js

@@ -11,7 +11,7 @@ var map = new OpenLayers.Map({
                 "http://otile4.mqcdn.com/tiles/1.0.0/osm/${z}/${x}/${y}.png"
             ],
             {
-                attribution: "Tiles Courtesy of <a href='http://open.mapquest.co.uk/' target='_blank'>MapQuest</a> <img src='http://developer.mapquest.com/content/osm/mq_logo.png' border='0'>",
+                attribution: "Data, imagery and map information provided by <a href='http://www.mapquest.com/'  target='_blank'>MapQuest</a>, <a href='http://www.openstreetmap.org/' target='_blank'>Open Street Map</a> and contributors, <a href='http://creativecommons.org/licenses/by-sa/2.0/' target='_blank'>CC-BY-SA</a>  <img src='http://developer.mapquest.com/content/osm/mq_logo.png' border='0'>",
                 transitionEffect: "resize"
             }
         ),
@@ -33,4 +33,4 @@ var map = new OpenLayers.Map({
     zoom: 1
 });
 
-map.addControl(new OpenLayers.Control.LayerSwitcher());
+map.addControl(new OpenLayers.Control.LayerSwitcher());