function hideMenus() {
	document.getElementById('menuAbout').style.display = 'none';
	document.getElementById('menuCool').style.display = 'none';
}

function showMenuCool() {
	if(document.getElementById('menuCool').style.display == 'block')
	document.getElementById('menuCool').style.display = 'none';
	else
	document.getElementById('menuCool').style.display = 'block';
	document.getElementById('menuAbout').style.display = 'none';
}

function showMenuAbout() {
	if(document.getElementById('menuAbout').style.display == 'block')
	document.getElementById('menuAbout').style.display = 'none';
	else
	document.getElementById('menuAbout').style.display = 'block';
	document.getElementById('menuCool').style.display = 'none';
}

function showMenuFull() {
	if(document.getElementById('menuFull').style.display == 'block')
	document.getElementById('menuFull').style.display = 'none';
	else
	document.getElementById('menuFull').style.display = 'block';
}

function showMenuPictures() {
	if(document.getElementById('menuPictures').style.display == 'block')
	document.getElementById('menuPictures').style.display = 'none';
	else
	document.getElementById('menuPictures').style.display = 'block';
}