moved oppositeQuadrant() function from Anchored.js to Util.js, where it is now a static function on the OpenLayers.Bounds class. Updated usage in code accordingly. Added test.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@343 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Popup/Anchored.js

@@ -61,7 +61,7 @@ OpenLayers.Popup.Anchored.prototype =
         var extent = this.map.getExtent();
         var quadrant = extent.determineQuadrant(lonlat);
         
-        return this.oppositeQuadrant(quadrant);
+        return OpenLayers.Bounds.oppositeQuadrant(quadrant);
     }, 
 
     /**
@@ -97,24 +97,5 @@ OpenLayers.Popup.Anchored.prototype =
         return newPx;   
     },
 
-    /**
-     * @private 
-     * 
-     * @param {String} quadrant 
-     * 
-     * @returns The opposing quadrant ("br" "tr" "tl" "bl"). For Example, if 
-     *           you pass in "bl" it returns "tr", if you pass in "br" it 
-     *           returns "tl", etc.
-     * @type String
-     */
-    oppositeQuadrant: function(quadrant) {
-        var opp = "";
-        
-        opp += (quadrant.charAt(0) == 't') ? 'b' : 't';
-        opp += (quadrant.charAt(1) == 'l') ? 'r' : 'l';
-        
-        return opp;
-    },
-
     CLASS_NAME: "OpenLayers.Popup.Anchored"
 });