Fix runtime error when setting classname.  Use Element for IE, and element elsewhere.
Fix runtime error when setting classname.  Use Element for IE, and element elsewhere.

git-svn-id: 9512a22ec92b52636bbab2193a3e38f5e8e93632@24519 280ce282-5f28-0410-b095-e054cb237d46

Eloqua/sproutcore,Eloqua/sproutcore,Eloqua/sproutcore