laimas,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
</style>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script type="text/javascript" src="http://lsd.do.am/jquery.zclip.js"></script>
<script>
$(function(){
var bb = $(".bbQuoteName");
bb.each(function(indx, el){
$(el).click(function() {
alert( bb.next().length );
});
});
});
</script>
</head>
<body>
<div class="bbQuoteName">Блок 1</div><div class="quoteMessage">Текст 1</div>
<div class="bbQuoteName">Блок 2</div><div class="quoteMessage">Текст 3</div>
<textarea name=""></textarea>
</body>
</html>