function openPopup(el) {
	document.getElementById(el).style.visibility = "visible";
	document.getElementById("blackout").style.visibility = "visible";
}

function closePopup(el) {
	document.getElementById(el).style.visibility = "hidden";
	document.getElementById("blackout").style.visibility = "hidden";
}

function showFpop(el) {
	document.getElementById("fpop1").style.display = "none";
	document.getElementById("fpop2").style.display = "none";
	document.getElementById("fpop3").style.display = "none";
	document.getElementById("fpop4").style.display = "none";
	document.getElementById(el).style.display = "";
}

function hideFpops() {
	document.getElementById("fpop1").style.display = "none";
	document.getElementById("fpop2").style.display = "none";
	document.getElementById("fpop3").style.display = "none";
	document.getElementById("fpop4").style.display = "none";
}