diff --git a/code/index.html b/code/index.html
index a2370fc..ad5ebd2 100644
--- a/code/index.html
+++ b/code/index.html
@@ -330,10 +330,11 @@
         */
         function rotationManager(e)
         {
+            var mouseOnRes = mousePos[0].match(/[R]/g)!=null;
             canvasNumber=e.currentTarget.id.substring(6);
             document.getElementById("canvas"+mousePos[0]).classList.remove('vitrail-select');
 
-            if(mousePos[0].match(/[R]/g)!=null && canvasNumber!="R")
+            if(mouseOnRes && canvasNumber!="R")
             {
                 if(!isVisible(canvasNumber))
                 {
@@ -445,6 +446,8 @@
         
         function isVisible(what)
         {
+            if(what.includes("R"))
+                return eval("tabR["+what.substring(1)+"][0]");
             return eval("tab"+what+"[0]");
         }