text: // static method collection for dealing with Proj4js setup in a version-independent manner
  window.Mapbender = Mapbender || {};
  Mapbender.Projection = $.extend(window.Mapbender.Projection || {}, {
      /**
       * Extend proj4js srs definitions with given list. This will be done for potentially multiple versions of proj4js.
       * * 1.x versions (namespace Proj4js)
       * * 2.x versions (namespace proj4)
       *
       * @param {Object.<string, string>[]} defs should have keys 'code' (legacy alternative: 'name') and 'definition'
       * @param {bool} [keep=false] keep to avoid replacing already existing projection definitions
       * @param {bool} [warn=false] warn to warn on console when replacing existing SRS
       */
      extendSrsDefintions: function(defs, keep, warn) {
          var old;
          for (var i = 0; i < defs.length; ++i) {
              var def = defs[i];
              if (!(def.code || def.name) || !def.definition) {
                  console.error("Unsupported SRS definition format", defs);
                  throw new Error("Unsupported SRS definition format");
              }
              var code = def.code || def.name;
              var definition = def.definition;
              if (window.Proj4js) {
                  old = Proj4js.defs[code];
                  if (!old || !keep) {
                      if (old && warn && old !== definition) {
                          console.warn("Replacing Proj4js 1.x SRS definition", code, {old: old, new: definition});
                      }
                      Proj4js.defs[code] = definition;
                  }
              }
              if (window.proj4) {
                  old = proj4.defs(code);
                  if (!old || !keep) {
                      if (old && warn) {
                          // projection object; no good way to check equality to new defintion => warn always
                          console.warn("Replacing existing proj4 2.x SRS definition", code, {old: old, new: definition});
                      }
                      proj4.defs(code, definition);
                  }
              }
          }
      }
  });
  