var images = new Array();
images[0] = "headerbaner/p1.jpg";
images[1] = "headerbaner/p2.jpg";
images[2] = "headerbaner/p3.jpg";
images[3] = "headerbaner/p4.jpg";
 images[4] = "headerbaner/p5.jpg";
images[5] = "headerbaner/p6.jpg";
 images[6] = "headerbaner/p7.jpg";
 images[7] = "headerbaner/p8.jpg";
images[8] = "headerbaner/p9.jpg";
images[9] = "headerbaner/p10.jpg";
images[10] = "headerbaner/p11.jpg";
 images[11] = "headerbaner/p12.jpg";
images[12] = "headerbaner/p13.jpg";
 images[13] = "headerbaner/p14.jpg";
 images[14] = "headerbaner/p15.jpg";
function randomImage() {
var i = Math.floor(Math.random()*images.length);
document.images['randomImage'].src=images[i];
}