-9999px hack replaced with more efficient version (http://www.zeldman.com/2012/03/01/replacing-the-9999px-hack-new-image-replacement/)
-9999px hack replaced with more efficient version (http://www.zeldman.com/2012/03/01/replacing-the-9999px-hack-new-image-replacement/)

RJFreund/OpenDSA,RJFreund/OpenDSA,vkaravir/JSAV,RJFreund/OpenDSA,RJFreund/OpenDSA,RJFreund/OpenDSA,RJFreund/OpenDSA,vkaravir/JSAV,RJFreund/OpenDSA,RJFreund/OpenDSA