diff --git a/web/gui/src/main/webapp/app/view/topo/topo.js b/web/gui/src/main/webapp/app/view/topo/topo.js
index 702584a..b46abf4 100644
--- a/web/gui/src/main/webapp/app/view/topo/topo.js
+++ b/web/gui/src/main/webapp/app/view/topo/topo.js
@@ -304,6 +304,22 @@
             return c.properties.continent === 'South America';
         },
 
+        america: function (c) {
+            var cenAmer = {
+                MEX: 1,
+                GTM: 1,
+                BLZ: 1,
+                HND: 1,
+                SLV: 1,
+                NIC: 1,
+                CRI: 1,
+                PAN: 1
+            };
+            return cenAmer[c.properties.adm0_a3] ||
+                c.properties.adm0_a3 === 'USA' ||
+                c.properties.continent === 'South America';
+        },
+
         japan: function (c) {
             return c.properties.geounit === 'Japan';
         },