function dispconf(){
	if(window.confirm('本当に削除しますか？')){
		return(true);
	//NO
	}else{
		return(false);
	}
}

function showhide(id){
	if(document.getElementById){
		if(document.getElementById(id).style.display == "block"){
			document.getElementById(id).style.display = "none";
		}else{
			document.getElementById(id).style.display = "block";
		}
	}
}