var hp = {
	'image_list': [],
	'url_list': [],
	'current_image': 0,
	'rotate': function() {
		hp.current_image++;
		if (hp.current_image > (hp.image_list.length - 1)) hp.current_image = 0;
		setTimeout('hp.rotate_do()', 5000);
	},
	'rotate_do': function() {
		$('hp_image').src = urlPrefix + '/hp/' + hp.image_list[hp.current_image] + '.jpg';
		$('hp_url').href = (hp.url_list[hp.current_image]) ? hp.url_list[hp.current_image] : 'javascript:void(0);'
		hp.rotate();
	}
}

var localInit = function() {
	if ($('hp_image_list')) hp.image_list = $('hp_image_list').value.replace(/;$/,'').split(';');
	if ($('hp_url_list')) hp.url_list = $('hp_url_list').value.replace(/;$/,'').split(';');
	if (hp.image_list.length > 1) hp.rotate();
}