Test for null. Testing for existence means that when we pass toBBOX(0), we

want to round to whole numbers, not to 6 decimal places. (Thanks tschaub.) 


git-svn-id: http://svn.openlayers.org/trunk/openlayers@1561 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/BaseTypes.js

@@ -366,7 +366,7 @@ OpenLayers.Bounds.prototype = {
     */
     toBBOX:function(power) {
         var mult;
-        if (power) {
+        if (power != null) {
             mult = Math.pow(10,power);
         } else { 
             mult = Math.pow(10,6);