function menuList() {
	menuRoot = document.getElementById('rightmenu');
	for (i=0; i<menuRoot.childNodes.length; i++) {
		node = menuRoot.childNodes[i];
		if (node.nodeName.toLowerCase() == 'li') {
			node.onmouseover= showmenu;
			node.onmouseout= hidemenu;
		}
	}
}

function showmenu() {
	this.className+=' over';
}
function hidemenu() {
	this.className='';
}