Added code to add and remove cookie from the index.jsp when a person logs in or logs out.
added search gif used in default homepage
This is the merge from the branch WEB_UI_REDESIGN_BRANCH back into the head.The only files that have been removed are those in lib/style/eml2; other filesthat have been cvs removed (only from lib/ and lib/style) have been re-addedelsewhere (i.e. moved from one directory to another)....