IE7: Prevent text-selection when dragging and dropping, but allow text-selection in other cases.
IE7: Prevent text-selection when dragging and dropping, but allow text-selection in other cases.

git-svn-id: 9512a22ec92b52636bbab2193a3e38f5e8e93632@26314 280ce282-5f28-0410-b095-e054cb237d46

Eloqua/sproutcore,Eloqua/sproutcore,Eloqua/sproutcore