/* Show Hide menus - see Designing with Web Standards, by Jeffrey Zeldman, Chapter 15 */
function toggleMenu(currMenu) {
	if (document.getElementById) {
		thisMenu = document.getElementById(currMenu).style
		if (thisMenu.display == "block") {
			thisMenu.display = "none"
		}
		else {
		thisMenu.display = "block"
		}
		return false	
	}
	else {
		return true	
	}
}