This snippet will let you easily create new sidebars by simply adding the name to an array. You will also be able to define the dynamically created sidebar a page loads by selecting from the custom sidebar selection metabox.

Adding the first snippet to the functions.php of your wordpress theme will do a few things. First it will create a new metabox within the pages editor letting you attach one of the dynamically created sidebars. Second you will notice an array of names eg: Sidebar 01, Sidebar 02 etc. these are the names of the dynamically created sidebars that you can change or add new sidebars to. Copy the second snippet of code and replace all the code within your sidebar.php template of your wordpress theme and you are all set.