document.write ("<script>tipdrop = 170;</script>")
document.write ("<style>/* firefox fix */div#divTip1, div#divTip2, div#divTip3, div#divTip4 {top: 170px;}</style>")
document.write ("<!--change tipdrop to 180 when there's no ad, 220 when there's ad on top-->")