diff --git a/cortex/webgl/resources/js/mriview_surface.js b/cortex/webgl/resources/js/mriview_surface.js
index a82e9306..5b1a788e 100644
--- a/cortex/webgl/resources/js/mriview_surface.js
+++ b/cortex/webgl/resources/js/mriview_surface.js
@@ -108,6 +108,7 @@ var mriview = (function(module) {
             toggleMultipleLayers: {action: this.toggleMultipleLayers.bind(this), key: 'm', hidden: true, help: "Toggle multiple layers"},
             dither: {action:[this, "setDither"]},
             sampler: {action:[this, "setSampler", ["nearest", "trilinear"]]},
+            uniform_illumination: {action:[this, "setUniformIllumination"]},
         });
         
 
@@ -853,5 +854,20 @@ var mriview = (function(module) {
         this.object.add(this.mesh);
     }
 
+    module.Surface.prototype.setUniformIllumination = function(val) {
+        if (val === undefined)
+            return this.uniforms.emissive.value.x == 1; // Check current state
+        
+        if (val) {
+            this.uniforms.diffuse.value.set(0, 0, 0);
+            this.uniforms.specular.value.set(0, 0, 0);
+            this.uniforms.emissive.value.set(1, 1, 1);
+        } else {
+            this.uniforms.diffuse.value.set(.8, .8, .8);
+            this.uniforms.specular.value.set(.005, .005, .005);
+            this.uniforms.emissive.value.set(.2, .2, .2);
+        }
+    };
+
     return module;
 }(mriview || {}));