function changeMenu(item){
document.getElementById('industries').className="menu";
document.getElementById('solutions').className="menu";
document.getElementById('about').className="menu";
document.getElementById('about').className="contact";
document.getElementById(item).className="menucurrent";
}

function showLayer(layer){
document.getElementById("events").className="off";
document.getElementById("news").className="off";
document.getElementById(layer).className="on";

document.getElementById("eventscontent").className="off";
document.getElementById("newscontent").className="off";
document.getElementById(layer+"content").className="on";
}