Develop a quick wordpress plugin that utilizes dropdown menus sometimes.

It is possible to wordpress correct means by remembering option:selected values?

You will get option:selected values by using jQuery.

But when you google a little, you will find many lessons on creating drop lower menus.
http://www.vanseodesign.com/wordpress/how-to-create-a-dropdown-menu-in-wordpress/

and the other tut if u are utilizing 3.
http://www.blog.web6.org/wordpress-3-0-drop-down-menu/