set spinner z-index explicitly for compatibility with IE and Firefox
set spinner z-index explicitly for compatibility with IE and Firefox

SalesforceFoundation/Cumulus,cdcarter/Cumulus,Zosoled/Cumulus,Zosoled/Cumulus,Zosoled/Cumulus,SalesforceFoundation/Cumulus,SalesforceFoundation/Cumulus,cdcarter/Cumulus,SalesforceFoundation/Cumulus,Zosoled/Cumulus,cdcarter/Cumulus,cdcarter/Cumulus