// v 1.0
// Copyright 2007 JININC, Inc. All rights reserved.
function banner_roll(div_id, banner_height, banner_delay, banner_speed, this_height)
{
	var div_tag = document.getElementById(div_id);
	var a_tag, i;

	this_height ++;
	if(this_height < banner_height) {
		div_tag.style.top = -this_height;
		setTimeout("banner_roll('" + div_id + "', " + banner_height + ", " + banner_delay + ", " + banner_speed + ", " + this_height + ");", banner_speed);
	} else {
		a_tag = div_tag.getElementsByTagName("A");
		div_tag.appendChild(a_tag[0]);
		div_tag.style.top = 0;
		setTimeout("banner_roll('" + div_id + "', " + banner_height + ", " + banner_delay + ", " + banner_speed + ", 0);", banner_delay);
	}
	return true;
}