function conversion(cid, cval)
	{
		var proto = location.protocol;
		var url = proto + "//www.clickmanage.com/track.asp";

		if (cid != null)
		{
			url += "?cid=" + cid;
		}

		if (cval != null)
		{
			if (cid != null)
			{
				url += "&";
			}
			else
			{
				url += "?";
			}

			url += "cval=" + cval;
		}

		var tag = "<img src='" + url + "' width='1' height='1'>";
		return tag;
	}