PHP Code:
function show_random_image(){
max_pics = 30;
pic_base ="<img src='pics/";
pic_ext =".jpg'>";
var ran_unrounded=Math.random()* max_pics;
var ran_number=Math.floor(ran_unrounded);
document.write(pic_base+ran_number+pic_ext);
}
some where on the page
PHP Code:
<script>show_random_image()</script>
shows pic between 0-30