bug popup widgets

http://www.telerik.com/forums/q1%2714-release---popup-bug-in-firefox
http://www.telerik.com/forums/q1'14-release---popup-bug-in-firefox
http://www.telerik.com/forums/kendo-ui-dropdownlist-and-mvvm-in-chrome---bug
http://jsbin.com/aziveh/1/edit
http://programming-girl.blogspot.com/2014/07/kendo-knockout-firefox-conflict.html