// �֐�

	function index() {
		document.write('<embed src="images/top.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="780" height="280"></embed>');
	}
	function swapImg(imgName,imgURL){
		document.getElementById(imgName).src = imgURL;
	}