var images = new Array();

images[0] = "img/photogallery/szlib-zk.picture.01.b.gif";
images[1] = "img/photogallery/szlib-zk.picture.02.b.gif";
images[2] = "img/photogallery/szlib-zk.picture.04.b.gif";
images[3] = "img/photogallery/szlib-zk.picture.07.b.gif";
images[4] = "img/photogallery/szlib-zk.picture.08.b.gif";
images[5] = "img/photogallery/szlib-zk.picture.12.b.gif";
images[6] = "img/photogallery/szlib-zk.picture.14.b.gif";
images[7] = "img/photogallery/szlib-zk.picture.20.b.gif";
images[8] = "img/photogallery/szlib-zk.picture.25.b.gif";
images[9] = "img/photogallery/szlib-zk.picture.32.b.gif";

function ShowImg() {
var number = images.length;
var increment = Math.floor(Math.random() * number);
var strTemp ='<img src="' + images[increment] + ' "border="0">';
document.write(strTemp);
}