function bannerRandom()
{
	// variable value
	jmp = new Array();
	img = new Array();
	tgt = new Array();
	alt = new Array();

	// link url
	jmp[0] = "http://www.x2tokyo.jp";


	// image path
	img[0] = "http://www.x2tokyo.jp/emeters/em/img/header/imgBanner14.jpg";

	// target type
	tgt[0] = "_blank";


	// alternative text
	alt[0] = "CYCLE Your Life:X2TOKYO.JP";

	n = Math.floor(Math.random()*jmp.length);

	document.write("<a href='"+jmp[n]+"' target='"+tgt[n]+"'><img src='"+img[n]+"' title='"+alt[n]+"' alt='"+alt[n]+"' id=\"imgBanner\" /></a>");

	return false;
}