php tree view type code

[umeshMCA]

hi
i would like to do like this
+2007
+2008
-2009
+BCA-I
+BCA-II
-BCA-III
Advance Web PRogramming.pdf
JAVA.pdf
OB.pdf
+PGDCA
+M.Sc.
+2010
like this code i want as when user click on + then open like 2009 example and open classes like BCA etc. and after click on bca than open papername if we click on paper than open a pdf file.
all these things maintain from database. please suggest me database structure and php code to do this type code.
thanks in advance
with php mysql

[tomato.pgn]

You want to make linked dropdown button???
which will respond according to the rest drop down button???

[vibhaJ]

Check this...

http://www.mekya.com/blog/lang/eng/2010/03/demo-of-editable-jquery-tree-with-php-codes-duzenlenebilir-jquery-agac-yapisinin-demosu/

I agree with vib, this is a js matter. jQuery has loads of examples treeview, jtree etc. You can create the jscode dynamically with php.