function changepic(){
	url_tbl = new Array(
	"http://mains.hamazo.tv/e3342015.html",
	"http://mains.hamazo.tv/e3342015.html",
	"http://mains.hamazo.tv/e3342015.html",
	"http://mains.hamazo.tv/e3342015.html",
	"http://mains.hamazo.tv/e3342015.html"
	);
  $(function(){
		var rand = Math.floor(5*Math.random()) + 1;
		var image_name = "images/info_no"+rand+".jpg";
		var image_url = url_tbl[rand-1];
		$("#main_text").html(
			"<a href='"+image_url+"' target='_blank'><img src='"+image_name+"' border='0'></a>"
		);
	});
}