/*
 * JavaScript Pretty Date
 * Copyright (c) 2008 John Resig (jquery.com)
 * Licensed under the MIT license.
 */

// Takes an ISO time and returns a string representing how
// long ago the date represents.
function prettyDate(time){

	
		today = new Date().getTime();
		diff = (today - time) / 1000;
		
		day_diff = Math.floor(diff / 86400);
	
	if (isNaN(day_diff) || day_diff < 0 || day_diff >= 31) { 
		return time;
	}

			
	return day_diff == 0 && (
			diff < 60 && "A moment ago" ||
			diff < 120 && "1 minute ago" ||
			diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
			diff < 7200 && "1 hour ago" ||
			diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
		day_diff == 1 && "Yesterday" ||
		day_diff < 7 && day_diff + " days ago" ||
		day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago";


}