how do i use Random header 4.jpg like if any memeber/guest come to my site He/she see header4.jpg then after i refresh or any other member/guest to come my site then he/she see other image (image name xyz)but on same position where header4.jpg
The best way, probably, will be to use javascript. Even though you can use PHP and choose random values. http://www.dyn-web.com/javascript/rotate-img/rotate-rand.html Take a look at that website for an example