1.2 1.1 Yahoo http://www.servletsuite.com/servlets/yahoo Resource param isOnline com.cj.yahoo.isOnlineTag JSP executes body if user is online name true true proxyHost false true proxyPort false true isOffline com.cj.yahoo.isOfflineTag JSP executes body if user is offline name true true proxyHost false true proxyPort false true isUnknown com.cj.yahoo.isUnknownTag JSP executes body if user is unknown name true true proxyHost false true proxyPort false true