// shows and hides specified field

function admin_help(id, bool) {
	if(bool)	
		document.getElementById(id).style.visibility = "visible";
	else
		document.getElementById(id).style.visibility = "hidden";
};

function main_infobox(id, bool) {
	if(bool) {
		document.getElementById("box_address").style.visibility = "hidden";
		document.getElementById("box_tel").style.visibility = "hidden";
		document.getElementById("box_mail").style.visibility = "hidden";

		document.getElementById(id).style.visibility = "visible";
	} else {		
		document.getElementById(id).style.visibility = "hidden";
	}
};