function init(){

	wall = new Array();
	wall[0] = "img/topimage1.jpg";
	wall[1] = "img/topimage2.jpg";
	wall[2] = "img/topimage3.jpg";
	wall[3] = "img/topimage4.jpg";
//	wall[4] = "img/image5.jpg";
//	wall[5] = "img/image6.jpg";
//	wall[6] = "img/image7.jpg";
//	wall[7] = "img/image8.jpg";
	rnd = Math.round(Math.random() * (wall.length - 1));
//	document.images["photo"].src = wall[rnd];
var aaa = document.getElementById("java_title");

java_title.innerHTML = '				<img src="' + wall[rnd] + '" alt="VISIT NIIGATA" width="760" height="320" id="photo">';

}