init_dropown = function (id) {


	if (document.all && document.getElementById) {

		nroot = document.getElementById(id);

		for (i = 0; i < nroot.childNodes.length; i++) {

			node = nroot.childNodes[i];

			if (node.nodeName == 'LI') {

				node.onmouseover = function () {
					this.className += ' over';
				}

				node.onmouseout = function () {
					this.className = this.className.replace(' over', '');
				}

			}

		}

	}

}