JavaScript DHTML/jQuery/prevAll
Locate all the divs before the last and give them a class.
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div:last").prevAll().css("color","red");
});
</script>
<style>
.selected { color:blue; }
</style>
</head>
<body>
<body>
<div>asdf</div>
<div>asdf</div>
<div>asdf</div>
<div>asdf</div>
</body>
</html>
prevAll(expr): filter the matched set.
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div:last").prevAll().css("color","red");
});
</script>
<style>
.selected { color:blue; }
</style>
</head>
<body>
<body>
<div>asdf</div>
<div>asdf</div>
<div>asdf</div>
<div>asdf</div>
</body>
</html>
Prevall tags
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").prevAll().css("background", "yellow");
});
</script>
</head>
<body>
<body>
<div>asdf</div>
<div>asdf</div>
<div>asdf</div>
<div class="selected">asdf</div>
<div>asdf</div>
</body>
</html>