function contentsMenu01(){
	new Image().src = "./images/naka_menu01on.gif";
	new Image().src = "./images/naka_menu02on.gif";
	new Image().src = "./images/naka_menu03on.gif";
	new Image().src = "./images/naka_menu04on.gif";
	new Image().src = "./images/naka_menu05on.gif";
	new Image().src = "./images/naka_menu06on.gif";
	new Image().src = "./images/naka_menu07on.gif";
	}

function contentsMenu(){
	new Image().src = "../images/naka_menu01on.gif";
	new Image().src = "../images/naka_menu02on.gif";
	new Image().src = "../images/naka_menu03on.gif";
	new Image().src = "../images/naka_menu04on.gif";
	new Image().src = "../images/naka_menu05on.gif";
	new Image().src = "../images/naka_menu06on.gif";
	new Image().src = "../images/naka_menu07on.gif";
	}

function Wopen(U,N,W,H){
	var WO1;
	WO1=window.open(U,N,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=yes,width=430,height=180,left=10,top=10');
	WO1.focus();
	}