Fix JS error in IE while showing the popup for sharing the workspace
Fix JS error in IE while showing the popup for sharing the workspace

refs 93

jpajuelo/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud,jpajuelo/wirecloud,jpajuelo/wirecloud