function scrubSXX(str)
{
    str = str.replace(/eval\(/g, "");
    str = str.replace(/javascript:/g, "");
    str = str.replace(/[^A-Za-z0-9#\-;\,_]/g, "");
	return str;
}

var show_ad;

var color_bg;
if(!color_bg) { color_bg = "FFFFFF"; }

var member_id;
if(!member_id) { member_id = ""; }

var target;
if(!target) { target = "1"; }

var ad_width;
var ad_height;
var code;
if (ad_size == 9) { ad_width = "728"; ad_height = "108"; show_ad = true; }
else if(ad_size == 10) { ad_width = "468"; ad_height = "78"; show_ad = true; }
else if(ad_size == 11) { ad_width = "180"; ad_height = "168"; show_ad = true; }

if (show_ad == true) {
    code = "<iframe name='underwaterads_frame'"
    + " height='" + scrubSXX(ad_height) 
	+ "' width='" + scrubSXX(ad_width)
    + "' frameborder='0' marginwidth='0' marginheight='0' vspace='0' hspace='0' allowtransparency='true' scrolling='no'"
    + " src=\"http://www.underwaterads.org/ad.aspx?m=" + scrubSXX(member_id) + "&s=" + scrubSXX(ad_size) + "&bg=" + scrubSXX(color_bg) + "&t=" + scrubSXX(target)
	+ "\"><a href='http://www.underwaterads.org' target='_top'>UnderwaterAds.org</a></iframe>";
	
} else {
	code = "<a href='http://www.underwaterads.org' target='_top'>UnderwaterAds.org</a>";
}

document.write(code);