<script> $(function () { if ($(".fixed_bar").length > 0) { var offset = $(".fixed_bar").offset(); $(window).scroll(function () { var scrollTop = $(window).scrollTop(); if (offset.top <= scrollTop) $(".fixed_bar").addClass("fixed1"); else $(".fixed_bar").removeClass("fixed1"); });}}); </script>
.fixed_bar{clear:both;} .fixed_bar img{max-width:100%;} .fixed1{position:fixed;top:0px;width:960px;z-index: 9999;filter: alpha(opacity=80);-moz-opacity: 0.8;opacity: 0.8;}
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