function changeunei() {
	if(document.getElementById("unei").style.display=="block"){document.getElementById("unei").style.display = "none";}
	else{document.getElementById("unei").style.display = "block";}
}
function changeotoiawase() {
	if(document.getElementById("otoiawase").style.display=="block"){document.getElementById("otoiawase").style.display = "none";}
	else{document.getElementById("otoiawase").style.display = "block";}
}