function showMenu (item)
{
    document.getElementById(item).style.display = 'block';
	document.getElementById("menu_deactivator").style.display = 'block';
}

function hideMenu ()
{
    window.document.getElementById("menu_deactivator").style.display = "none";
    window.document.getElementById("turer").style.display = "none";
	window.document.getElementById("utbildningar").style.display = "none";
}