什么是一个好的jQuery / Ajax灯箱插件？

I am looking for a light weight, cross-browser compatible lightbox with features of displaying a pop-up window. I want to keep the popup window to be run in the lightbox and no matter what they do in the lightbox, the lightbox should never close until it is either clicked somewhere in the black area or by simply clicking an "X" in the upper right hand corner. Does something like this exist?I am looking for a light weight, cross-browser