Compatibility with IE7.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10198 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Suggestion by Thomas on skinInput.

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10199 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
Compatibility for IE7

git-svn-id: http://primefaces.googlecode.com/svn/primefaces/trunk@10200 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c