function get_ad(placeholder_id, ad_id, advertiser_id, size_id, zone_id) {
	var path = window.location.pathname;
	$.getJSON('http://www.idahofallschamber.com/ad/get_ad.html?ad_id=' + urlencode(ad_id) + '&advertiser_id=' + urlencode(advertiser_id) + '&size_id=' + urlencode(size_id) + '&zone_id=' + urlencode(zone_id) + '&placeholder_id=' + urlencode(placeholder_id) + '&path=' + urlencode(path), function(j){
		if(j != undefined && j.item != undefined && j.item != null) {
			var placeholder_id = j.placeholder_id;
			var html_string = '';
			
			html_string = '<a href="http://www.idahofallschamber.com/ad/track-click.html?id=' + j.item.id + '&zone_id=' + j.zone_id + '&path=' + j.path + '"><img src="' + j.item.filename + '" height="' + j.item.size.height + '" width="' + j.item.size.width + '" /></a>';
			html_string.replace('src="/', 'src="http://www.idahofallschamber.com/');
			$('#' + placeholder_id).append(html_string);
			
		}
	});
}