if(document.images) {
	pics = new Array();
	pics[1] = new Image();
	pics[1].src = "site_images/new_16.jpg";
	pics[2] = new Image();
	pics[2].src = "site_images/new_26.jpg";
	pics[3] = new Image();
	pics[3].src = "site_images/new_21.jpg";
	pics[4] = new Image();
	pics[4].src = "site_images/new_28.jpg";
}

function changer(from,to) {
	if(document.images) {
		document.images[from].src = pics[to].src;
	}
}