function WordPress to open image in lightbox

implemented lightbox in WordPress

i have this code , but i need to modified to work ,

http://pastebin.com/hzkc2GwK

The value on href= doesn’t work , i need to open the image in lightbox mode , I use this option for upload a image http://imageshack.us/photo/my-images/217/51373696.jpg/

How can do fix this code????

very thanks!!