Add support to Permalink control to automatically create Permalink inside map div if no element is given. This isn't pretty, but it's a good way to quickly/easily add a permalink to your map.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@847 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/test_Control_Permalink.html

@@ -36,6 +36,14 @@
         $('edit_permalink').href = './edit.html?lat=0&lon=1.75781&zoom=2';
         t.eq($('permalink').href, $('edit_permalink').href, "Panning sets permalink with base");
   }
+  function test_03_Control_Permalink_noElement (t) {
+        t.plan( 2 );
+        control = new OpenLayers.Control.Permalink( );
+        t.ok( control instanceof OpenLayers.Control.Permalink, "new OpenLayers.Control returns object" );
+        map = new OpenLayers.Map($('map'));
+        map.addControl(control);
+        t.eq(map.controls[2].div.firstChild.nodeName, "A", "Permalink control creates div with 'a' inside." );
+  }
   // -->
   </script>
 </head>