Siebel Open UI - Notifications

Dear all,

we want to customize the siebel open ui in notification areas and is looking for examples and guide lines how to do that.

Notification area

http://www.google.com/imgres?um=1&sa=N&hl=de&biw=1600&bih=680&tbm=isch&tbnid=PXA9NqVdBIugkM:&imgrefurl=http://siebel-essentials.blogspot.com/2012/12/a-closer-look-at-siebel-open-ui.html&docid=HzqrUkxJC4bypM&imgurl=http://2.bp.blogspot.com/-w0WRyhVbbg0/UMmyIH1b0QI/AAAAAAAAD3Q/SD_Pgob1esE/s400/open-ui-notification-1.png&w=509&h=205&ei=DvE2Uq2tA4yI5ATvn4Aw&zoom=1&iact=rc&dur=2&page=1&tbnh=102&tbnw=254&start=0&ndsp=20&ved=1t:429,r:1,s:0,i:85&tx=63&ty=44 

http://www.google.com/imgres?um=1&sa=N&hl=de&biw=1600&bih=708&tbm=isch&tbnid=KER2q-uDYV_VMM:&imgrefurl=http://oraclefusiongeeks.blogspot.com/2012/09/siebel-open-ui.html&docid=hUbOT7CDJ-fdbM&imgurl=http://4.bp.blogspot.com/-Da0Rvax3Xpk/UEw79DJgCII/AAAAAAAAECA/AnZ8ygsQPE4/s1600/1.JPG&w=235&h=115&ei=CPI2UpiCB8az4ASA4oDgAw&zoom=1&iact=rc&dur=152&page=1&tbnh=67&tbnw=137&start=0&ndsp=27&ved=1t:429,r:13,s:0,i:121&tx=61&ty=32