jQuery隐藏div，删除背景并在点击时更改页面宽度

I'm trying to hide a div on click (well i'm trying to slide it to the left), but what it will have to do is also from the main page div swap the background and also i think, swap the width of another div. I've got it swapping the background and removing the things I don't want (although they slide down rather then to the left)I'm trying to hide a div on click (well i'm try