Java installation:

cd /usr/lib/seamonkey-1.1.9/plugins
ln -s /usr/java/plugin/i386/ns7/libjavaplugin_oji.so .

export PATH=$PATH:/usr/java/bin
export PLUGIN_HOME=/usr/lib/seamonkey-1.1.9/plugins
export JAVA_HOME=/usr/java

http://java.com/en/download/installed.jsp