shithub: puzzles

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IE doesn't default to giving focus to the puzzle canvas on a mouse
click, so manually implement that behaviour. (Without it, it's quite
hard to focus the canvas at all in IE.)

[originally from svn r9806]

--- a/emccpre.js

+++ b/emccpre.js

@@ -233,6 +233,12 @@

             command(2);

     };

+    // In IE, the canvas doesn't automatically gain focus on a mouse

+    // click, so make sure it does

+    onscreen_canvas.addEventListener("mousedown", function(event) {

+        onscreen_canvas.focus();

+    });

+

     // In our dialog boxes, Return and Escape should be like pressing

     // OK and Cancel respectively

     document.addEventListener("keydown", function(event) {