Theme error !!!

i’m using this theme:
http://uploadpic.org/storage/2011/YdjjGL7gIV2vSEnGOLLExro.jpg

I got the following error after clicking one of these 2 buttons:
http://uploadpic.org/storage/2011/ac3KOokCwdj7SGDc4XMo63yQ3.jpg

This is the error result: no response and finally hanged.
http://uploadpic.org/storage/2011/YEXOnyoTj5Hs2FQVYeLdd3M4v.jpg

i am using free hosting : http://members.000webhost.com

However, if i use http://ifastnet.com/ as my host, there will be no problem,

How should i fix the error in 000webhost.com?
please help me!