function SwapStyle(objId,className) 
	{
		document.getElementById(objId).className = className;
	}

/*
 * Javascript Humane Dates
 * Copyright (c) 2008 Dean Landolt (deanlandolt.com)
 * Re-write by Zach Leatherman (zachleat.com)
 * 
 * Adopted from the John Resig's pretty.js
 * at http://ejohn.org/blog/javascript-pretty-date
 * and henrah's proposed modification 
 * at http://ejohn.org/blog/javascript-pretty-date/#comment-297458
 * 
 * Licensed under the MIT license.
 */

function humane_date(date_str) {
    var time_formats = [
    [60, 'just now'],
    [90, '1 minute'],
    // 60*1.5
    [3600, 'minutes', 60],
    // 60*60, 60
    [5400, '1 hour'],
    // 60*60*1.5
    [86400, 'hours', 3600],
    // 60*60*24, 60*60
    [129600, '1 day'],
    // 60*60*24*1.5
    [604800, 'days', 86400],
    // 60*60*24*7, 60*60*24
    [907200, '1 week'],
    // 60*60*24*7*1.5
    [2628000, 'weeks', 604800],
    // 60*60*24*(365/12), 60*60*24*7
    [3942000, '1 month'],
    // 60*60*24*(365/12)*1.5
    [31536000, 'months', 2628000],
    // 60*60*24*365, 60*60*24*(365/12)
    [47304000, '1 year'],
    // 60*60*24*365*1.5
    [3153600000, 'years', 31536000],
    // 60*60*24*365*100, 60*60*24*365
    [4730400000, '1 century'],
    // 60*60*24*365*100*1.5
    ];

    var time = ('' + date_str).replace(/-/g, "/").replace(/[TZ]/g, " "),
    dt = new Date,
    seconds = ((dt - new Date(time) + (dt.getTimezoneOffset() * 60000)) / 1000),
    token = ' ago',
    i = 0,
    format;

    if (seconds < 0) {
        seconds = Math.abs(seconds);
        token = '';
    }

    while (format = time_formats[i++]) {
        if (seconds < format[0]) {
            if (format.length == 2) {
                return format[1] + (i > 1 ? token: '');
                // Conditional so we don't return Just Now Ago
            } else {
                return Math.round(seconds / format[2]) + ' ' + format[1] + (i > 1 ? token: '');
            }
        }
    }

    // overflow for centuries
    if (seconds > 4730400000)
    return Math.round(seconds / 4730400000) + ' centuries' + token;

    return date_str;
};