<script type="text/javascript">
  $(document).ready(function() {
	$('body a').filter(function() {
		var theHref = this;
 
		if (theHref.hostname && theHref.hostname !== location.hostname) {
			$(theHref).not(".noAutoLink").attr('target', '_blank').bind('click keypress', function(event) {
				var code = event.charCode || event.keyCode;
 
				if (!code || (code && code == 13)) {
                                        var fixedLink = this.href;
                                        var _gaq = _gaq || [];
                        
                                        fixedLink = fixedLink.replace(/https?:\/\/(.*)/, "$1");

                                        _gaq.push(['_trackEvent', 'Outbound', 'Click', fixedLink]);
				};
			});
		};
	});
  });
</script>

<script type="text/javascript">
  $(document).ready(function() {
	$('body a').filter(function() {
		var theHref = this;
 
		if (theHref.hostname && theHref.hostname !== location.hostname) {
			$(theHref).not(".noAutoLink").attr('target', '_blank').bind('click keypress', function(event) {
				var code = event.charCode || event.keyCode;
 
				if (!code || (code && code == 13)) {
                                        var fixedLink = this.href;
                                        var _gaq = _gaq || [];
                        
                                        fixedLink = fixedLink.replace(/https?:\/\/(.*)/, "$1");

                                        _gaq.push(['_setAccount', 'UA-XXXXX-X']);
                                        _gaq.push(['_trackEvent', 'Outbound', 'Click', fixedLink]);
				};
			});
		};
	});
  });
</script>

<script type="text/javascript">
  $(document).ready(function() {
	$('body a').filter(function() {
		var theHref = this;
 
		if (theHref.hostname && theHref.hostname !== location.hostname) {
			$(theHref).not(".noAutoLink").attr('target', '_blank').bind('click keypress', function(event) {
				var code = event.charCode || event.keyCode;
 
				if (!code || (code && code == 13)) {
                                        var fixedLink = this.href;
                                        var _gaq = _gaq || [];
                        
                                        fixedLink = fixedLink.replace(/https?:\/\/(.*)/, "$1");
                                        fixedLink = '/outgoing/' + fixedLink;

                                        _gaq.push(['_setAccount', 'UA-XXXXX-X']);
                                        _gaq.push(['_trackEvent', 'Outbound', 'Click', fixedLink]);
				};
			});
		};
	});
  });
</script>

This uses the Event Tracking system rather than a '/outbound'

Auto-tag Outbound Links for Google Analytics, Async Version, Event Variant

jQuery