Help! Database/500 Error!

Help! I am experiancing an error when trying to go to my blog. I tryed going to it 2 ways; 1, by just typing in the URL; 2, by using the link on my websites homepage.

When attempting to go to it, I get 2 different error messages. In Internet Explorer I get a 500 – Internal Server error. In Opera, I get a Database Error message that says “Error establishing a database connection”

Please help!

Also, if it helps to get me a answer, below are my 2 website links:

Main/homepage: http://dannyswe.leadhoster.com
Blog………: http://dannysweb.leadhoster.com/Wordpress

HELP!