$(document).ready(function() {
	$.expr[':'].external = function(obj){
		return !obj.href.match(/^mailto\:/) && (obj.hostname != location.hostname);
	};
	$("a:external").click(function(){
			var id=$(this).attr('id');
			if(id){
				$.get('/url/'+escape(id));
			}
			return true;
		}
	);
});