function displayMenu(currentMenu) {

	var thisMenu = document.getElementById(currentMenu).style
	// Custom JavaScript function that expands/contracts menus as appropriate
	// If the menu is expanded, contract it
	if (thisMenu.display == "block") {
		thisMenu.display = "none"
	}
	else {
		// If the menu is contracted. expand it
		thisMenu.display = "block"
	}
	return false
}