// JavaScript Document

function showlay(id,show,parent) {
	var lay = document.getElementById(id);
	
	if ( show == 0 ) {
		var v = "hidden";
	
	} else {
		var v = "visible";
	}
	
	//表示設定
	lay.style.visibility = v;
	
	//親のプルダウンメニューの表示設定
	if ( parent > 0 ) {
		for ( var i = 0; i < parent; i++ ) {
			lay = lay.parentNode;
			lay.style.visibility = v;
		}
	}
}