Helloو

I have several fields of price type.
I used the codes as follows, but did not work.

1) Uploaded the price_format.js in js folder in my template
2) I added below code in footer.tpl of my template before the </body>

PHP Code:
Only registered members can view the code. 
3) And also adding this code in header.tpl of my template folder( in line 58 before {rlHook name='tplHeaderCommon'}):
PHP Code:
Only registered members can view the code. 
please guide me.