Code Igniter - Get Hash Value With window.location.hash and Use in set_value()?

[Ace]

I need to get the hash # value from the current window url with javascript (can't get it with PHP), and then use that to set the value attibute of a form input with CI's set_value() function.Any ideas how I can grab the value in javascript then put it into the PHP function? :-SThanks in advance!