Make sure there's a cool down period for browsers that support postMessage.
Make sure there's a cool down period for browsers that support postMessage.

newzly/testswarm,kcomkar/testswarm,rwaldron/testswarm,rwaldron/testswarm,newzly/testswarm,newzly/testswarm,kcomkar/testswarm,newzly/testswarm,concord-consortium/testswarm,concord-consortium/testswarm