function itemOn(i) {
	document.getElementById("item_"+i).style.color='#1e007f';
	document.getElementById("subitem_"+i).style.visibility='visible';
}

function itemOff(i) {
	document.getElementById("item_"+i).style.color='white';
	setTimeout(document.getElementById("subitem_"+i).style.visibility='hidden', 100);
}

function fitWindow() {
	document.getElementById('side').style.height=window.innerHeight+'px';
}