images = new Array(8);
	images[0] = "./images/headimage_1.jpg";
	images[1] = "./images/headimage_2.jpg";
	images[2] = "./images/headimage_3.jpg";
	images[3] = "./images/headimage_4.jpg";
	images[4] = "./images/headimage_5.jpg";
	images[5] = "./images/headimage_6.jpg";
	images[6] = "./images/headimage_7.jpg";
	images[7] = "./images/headimage_8.jpg";
	index = Math.floor(Math.random() * images.length);

function rand_img(){
	document.rhead.src = images[index];
}


function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}