if (document.images) {
	var headerImages = new Array()
	headerImages[0] = '/images/template/header-1.jpg';
	headerImages[1] = '/images/template/header-2.jpg';
	headerImages[2] = '/images/template/header-3.jpg';
	headerImages[3] = '/images/template/header-4.jpg';
	headerImages[4] = '/images/template/header-5.jpg';
	headerImages[5] = '/images/template/header-6.jpg';
	headerImages[6] = '/images/template/header-7.jpg';
	headerImages[7] = '/images/template/header-8.jpg';
	headerImages[8] = '/images/template/header-9.jpg';
	headerImages[9] = '/images/template/header-10.jpg';
}
function chooseHeaderImage() {
	if (document.images) {
		var p = headerImages.length;
		chosenImage = Math.min(Math.floor(Math.random()*p),p-1);
		document.Header_Image.src = headerImages[chosenImage];
	}
}