function nav(objectId){
	//var menuDom = document.getElementById('submenuOne');
	if(document.getElementById('submenuOne').className == "hide"){document.getElementById('submenuOne').className = 'show'}
	else{document.getElementById('submenuOne').className = 'hide'}
}

/*function persistent(objectId){
	document.getElementById(objectId).className = 'show';
}*/