Accordion problem

hi to all,
I am new to vaadin so I dont know that how i will manage the layout as we need I think managing lay out is first thing in vaadin can any one help me how I can find more real example in vaadin As Address book applicatin in vaadin step by step so that i can learn that easily , Is there any usefull link for that …

now i have some problem I want to create some ui component I have created but I stuck at last that i am not able to link to comopnent as i Have decided First I am attaching some link That what I want
please see the link and click on the given image in given image (the application ) in right side of panel so that you can see the functionality of the application (& same functionality I want) please click on the below link