problems with finish buy to paypal

[r3dlocal]

paypal 3.3

Versión de PrestaShop: 1.4.9.0

Información sobre su servidor: Linux #1 SMP Wed Mar 7 15:20:22 MSK 2012 i686

Versión del software servidor: Apache

Versión de PHP: 5.3.10

Versión de MySQL: 5.0.96-community

 

when I try to checkout with paypal button I find that nothing happens, I pass the java console and I find this error, someone could help me know that I need to fix my problem?

• Uncaught ReferenceError: $ is not defined tools.js:231
  

GET

http://www.alenialib...0.7.8-packed.js

404 (Not Found)

carrito:1

GET

http://www.alenialib...y-1.2.6.pack.js

404 (Not Found)

carrito:1

• Uncaught ReferenceError: jQuery is not defined jquery.easing.1.3.js:13
  

• Uncaught TypeError: Property '$' of object [object Window] is not a function carrito:4
  

• Uncaught TypeError: Property '$' of object [object Window] is not a function carrito:12
  

• Uncaught TypeError: Property '$' of object [object Window] is not a function c6bb1474a8c386de03c4c61938992e79.js:69