function boxdispchng(boxname) {

	cont = document.getElementById('box_' + boxname + '_cnt');
//	img = document.getElementById('box_' + boxname + '_img');

	if (cont.style.display == "none") {
		cont.style.display = "block";
		// img.src = boxupgif;
	} else {
		cont.style.display = "none";
		//img.src = boxdowngif;
	}
}