// JavaScript Document
function divOpen(id) {
if(document.getElementById(id).style.display == "block") {
document.getElementById(id).style.display = "none";
} else {
document.getElementById(id).style.display = "block";
}
}
function menuOpen(id) {
document.getElementById(id).style.display = "block";
}
function menuClose(id) {
document.getElementById(id).style.display = "none";
}
function buttonOn(imgname) {
document[imgname].src = "images/"+imgname+"over_btn.png";
}
function buttonOff(imgname) {
document[imgname].src = "images/"+imgname+"_btn.png";
}
function initDepts() {
	document.getElementById('depts1').style.display = "block";
	if(document.getElementById('depts2')) {
	document.getElementById('depts2').style.display = "none";
	}
	if(document.getElementById('depts3')) {
	document.getElementById('depts3').style.display = "none";
	}
	if(document.getElementById('depts4')) {
	document.getElementById('depts4').style.display = "none";
	}
	if(document.getElementById('depts5')) {
	document.getElementById('depts5').style.display = "none";
	}
	if(document.getElementById('depts6')) {
	document.getElementById('depts6').style.display = "none";
	}
	if(document.getElementById('depts7')) {
	document.getElementById('depts7').style.display = "none";
	}
	if(document.getElementById('depts8')) {
	document.getElementById('depts8').style.display = "none";
	}
	if(document.getElementById('depts9')) {
	document.getElementById('depts9').style.display = "none";
	}
	if(document.getElementById('depts10')) {
	document.getElementById('depts10').style.display = "none";
	}
	if(document.getElementById('depts11')) {
	document.getElementById('depts11').style.display = "none";
	}
}
function swapDepts(id) {
	initDepts();
	if(document.getElementById(id)) {
	document.getElementById(id).style.display = "block";
	}
	if(id != "depts1") {
	document.getElementById('depts1').style.display = "none";
	}
	if(id == "depts") {
	document.getElementById('depts1').style.display = "block";
	}
}
function initDepts1() {
	document.getElementById('item41').style.display = "none";
	document.getElementById('item42').style.display = "none";
	document.getElementById('item34').style.display = "none";
	document.getElementById('item33').style.display = "none";
}
function swap(id) {
	if(id == "ufo") {
	document.getElementById('item40').style.display = "block";
	document.getElementById('item41').style.display = "none";
	document.getElementById('item42').style.display = "none";
	document.getElementById('item34').style.display = "none";
	document.getElementById('item33').style.display = "none";
	}
	if(id == "fflight") {
	document.getElementById('item40').style.display = "none";
	document.getElementById('item41').style.display = "block";
	document.getElementById('item42').style.display = "none";
	document.getElementById('item34').style.display = "none";
	document.getElementById('item33').style.display = "none";
	}
	if(id == "weather") {
	document.getElementById('item40').style.display = "none";
	document.getElementById('item41').style.display = "none";
	document.getElementById('item42').style.display = "block";
	document.getElementById('item34').style.display = "none";
	document.getElementById('item33').style.display = "none";
	}
	if(id == "eco") {
	document.getElementById('item40').style.display = "none";
	document.getElementById('item41').style.display = "none";
	document.getElementById('item42').style.display = "none";
	document.getElementById('item34').style.display = "block";
	document.getElementById('item33').style.display = "none";
	}
	if(id == "myths") {
	document.getElementById('item40').style.display = "none";
	document.getElementById('item41').style.display = "none";
	document.getElementById('item42').style.display = "none";
	document.getElementById('item34').style.display = "none";
	document.getElementById('item33').style.display = "block";
	}
}