第二次调用Codeigniter View后，背景图像消失

I am working on codeigniter. I have set a background image for my home page. Now what happens is this that when I hit the home controller,a view is called and it works fine, but when I try to recall the view explicitly in from another function , the background image disappears and everything else remains on its spot.I am working on codeigniter. I have set a backg