Use (deprecated) event.returnValue on legacy browsers only

Aleksander Machniak

2014-04-16 398b7a9b0b63b1df91fceffccf7724fa98cade5e

Use (deprecated) event.returnValue on legacy browsers only

 program/js/common.js

@@ -255,13 +255,17 @@
cancel: function(evt)
{
  var e = evt ? evt : window.event;

  if (e.preventDefault)
    e.preventDefault();
  else
    e.returnValue = false;

  if (e.stopPropagation)
    e.stopPropagation();

  e.cancelBubble = true;
  e.returnValue = false;

  return false;
},