osclass/osclass-themes — Issue #25: solution of twitter theme with IE 9 compatibility 
Author: VisoTech
Created: 2012-01-29 05:50:00+00:00
State: open

try { console.log('init console... done'); } catch(e) { console = { log: function() {} } }

add this line at start of item_form.js this working in all IE you can check this in my website