IE8 compat

git-svn-id: https://primefaces.googlecode.com/svn/primefaces/trunk@10162 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
#5847 & #5862

git-svn-id: https://primefaces.googlecode.com/svn/primefaces/trunk@10163 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c
fixed compile errors

git-svn-id: https://primefaces.googlecode.com/svn/primefaces/trunk@10164 5a70e874-a5cb-11dd-8af2-493fb0bb9f7c