jQuery使用微调器加载整个HTML页面

I am trying to something simple -- make a jQuery script that will wait to show the entire page, including all DIVs, text, and images. While the page is loading, instead of showing parts of the page I would like to show a spinning GIF image, and when the entire page is loaded we can fade the contents of the page in the browser window.I am trying to something simple -- make a jQuer