var pics = new Array();	// set up an array of the images
pics[0]="swaps/1.jpg";
pics[1]="swaps/2.jpg";
pics[2]="swaps/3.jpg";
pics[3]="swaps/4.jpg";
pics[4]="swaps/5.jpg";
pics[5]="swaps/6.jpg";
pics[6]="swaps/7.jpg";
pics[7]="swaps/8.jpg";
pics[8]="swaps/9.jpg";
pics[9]="swaps/10.jpg";
pics[10]="swaps/11.jpg";
pics[11]="swaps/12.jpg";
pics[12]="swaps/13.jpg";
pics[13]="swaps/14.jpg";
pics[14]="swaps/15.jpg";

function random_image(){
if(document.images) {
var h = Math.ceil(Math.random()*pics.length-2);
var i = Math.floor(Math.random()*pics.length);
if(h == i) {
i = h+1;
}
document.images["swap"].src = pics[i];
//document.images["swap2"].src = pics[h];
return i;
}}