try {
	       TAP8_Referrer = encodeURIComponent(top.location.href);
	    } catch (ex) {
	       TAP8_Referrer = encodeURIComponent(document.referrer);
	    }
	    // for safari
	    if ( TAP8_Referrer == 'undefined' ) {
          TAP8_Referrer = encodeURIComponent(document.referrer);
        }

	    if ( !TAP8_Referrer ) TAP8_Referrer = encodeURIComponent(document.referrer);

	var max_box   =2;
	var first_box;
	if (first_box === undefined) first_box =0;
	if (first_box < max_box) {
		var TAP8_ad_unit_URL = 'http://www.thaiadpoint.com/tap8.1/html/ad_unit.php?u_id=351618'
			+ '&ad_size=' + 728 + 'x' + 90
			+ '&color_title=' + TAP8_color_title
			+ '&color_background=' + TAP8_color_background
			+ '&color_text=' + TAP8_color_text
			+ '&color_border=' + TAP8_color_border
			+ '&color_url=' + TAP8_color_url
			+ '&refer_url=' + TAP8_Referrer
			;
		document.write('<iframe scrolling="no" frameborder="0" width=728 height=90 src=' + TAP8_ad_unit_URL + '></iframe>');
	}
	else {
		var TAP8_ad_unit_URL = 'http://www.thaiadpoint.com/tap8.1/html/ad_unit2.php?u_id=351618'
			+ '&ad_size=' + 728 + 'x' + 90
			+ '&color_title=' + TAP8_color_title
			+ '&color_background=' + TAP8_color_background
			+ '&color_text=' + TAP8_color_text
			+ '&color_border=' + TAP8_color_border
			+ '&color_url=' + TAP8_color_url
			;
		document.write('<iframe scrolling="no" frameborder="0" width=728 height=90 src=' + TAP8_ad_unit_URL + '></iframe>');
	}
	first_box++;