Generation Of PreLoaders

                                       
Mostly commonly we observe these types of symbols when we submit any form.These symbols are called PreLoaders.If you want to genetrate these symbols and to place in your application follow the steps below.

1.visit the following link and select your own preloader and download  it

http://preloaders.net/

2.Upload the downloaded preloader in Static Resources.

3.Use those preloaders where you need i.e.,Apex Pages and Apex classes.