memo.xight.org

Rounded("div#nifty","#377CB1","#9BD1FA"); // この1行だけで要素を角丸にすることが可能

<div id="nifty"><p>test</p></div>

var myrules = {
	'.popup' : function(el){
		var href = el.getAttribute('href');
		if (href){
			el.onclick    = function(){ window.open(href); return false;}
			el.onkeypress = function(){ window.open(href); return false;}
		}
	}
};
Behaviour.register(myrules);

<script type="text/javascript" src="behaviour.js"></script>
 
<a href="index.html">Normal</a>
<a class="popup" href="index.html">Pop up</a>