first mockup in go

static/bower_components/jvectormap/lib/vml-circle-element.js

@@ -0,0 +1,26 @@
+jvm.VMLCircleElement = function(config, style){
+  jvm.VMLCircleElement.parentClass.call(this, 'oval', config, style);
+};
+
+jvm.inherits(jvm.VMLCircleElement, jvm.VMLShapeElement);
+
+jvm.VMLCircleElement.prototype.applyAttr = function(attr, value){
+  switch (attr) {
+    case 'r':
+      this.node.style.width = value*2+'px';
+      this.node.style.height = value*2+'px';
+      this.applyAttr('cx', this.get('cx') || 0);
+      this.applyAttr('cy', this.get('cy') || 0);
+      break;
+    case 'cx':
+      if (!value) return;
+      this.node.style.left = value - (this.get('r') || 0) + 'px';
+      break;
+    case 'cy':
+      if (!value) return;
+      this.node.style.top = value - (this.get('r') || 0) + 'px';
+      break;
+    default:
+      jvm.VMLCircleElement.parentClass.prototype.applyAttr.call(this, attr, value);
+  }
+};