//************************
//サブメニュー表示プログラム
//************************

<!-- 
//レイヤーを表示する
	function showLayer(idName){
		if(document.getElementById){	document.getElementById(idName).style.visibility = 'visible'; }
		else if(document.all){			document.all(idName).style.visibility            = 'visible'; }
		else if(document.layers){		document.layers[idName].visibility               = 'show'; }
	}

	//レイヤーを非表示にする
	function hideLayer(idName){
		if(document.getElementById){	document.getElementById(idName).style.visibility = 'hidden'; }
		else if(document.all){			document.all(idName).style.visibility            = 'hidden'; }
		else if(document.layers){		document.layers[idName].visibility               = 'hide'; }
	}
	//レイヤーを初期状態に戻す。
	function clearLayer(){
		hideLayer("navi11");
		hideLayer("navi22");
		hideLayer("navi33");
		hideLayer("navi111");
		hideLayer("navi222");
		hideLayer("navi333");
		hideLayer("navioff");
		showLayer("navi01");
		showLayer("navi02");
		showLayer("navi03");
		
	}

// -->