function showMenu (target, strMenuName) {
	if (target.firstChild.className) {
		target.firstChild.className = 'hover';
	}
	if (document.getElementById && document.getElementById(strMenuName) && document.all) {
		document.getElementById(strMenuName).style.display = 'block';
	}
}
function hideMenu (target, strMenuName) {
	if (target.firstChild.className) {
		target.firstChild.className = '';
	}
	if (document.getElementById && document.getElementById(strMenuName) && document.all) {
		document.getElementById(strMenuName).style.display = 'none';
	}
}