function primNav(menuItem, bon) {
	if( document.getElementById ) {
		newClass = '';
		if (bon) {
			newClass = "nav1on";
		}
		menuItem.parentNode.className = newClass;
	}	
}
function secNav(menuItem, bon) {
	if( document.getElementById ) {
		newClass = '';
		if (bon) {
			newClass = "nav2on";
		}
		menuItem.parentNode.className = newClass;
	}	
}
function chgClass(element, newClass) {
	if( document.getElementById ) {
		element.className = newClass;
	}
}