Just my list of cool code snippets I find on the web a la view source.

handy-js-snippets.js

// http://ralphwhitbeck.com/CommentView,guid,cd8e241c-11d1-43ff-9557-70fab698ea1f.aspx

String.prototype.linkify = function() {
		return this.replace(/[A-Za-z]+:\/\/[A-Za-z0-9-_]+\.[A-Za-z0-9-_:%&\?\/.=]+/, function(m) {
    return m.link(m);
  });
 }; 

String.prototype.atify = function() { 
  return this.replace(/@[\w]+/g, function(m) { 
    return "<a href='http://www.twitter.com/"+m.replace('@','')+"'>"+m+"</a>"; 
  }); 
}; 


// from:  http://tweetanium.net/js/general.js

function getHashStringParameter(parameter) {
    var i, parameters, pos, paramname, paramval, queryString;

    queryString = {};
    parameters = window.location.hash.substring(1).split('&');

    for (i in parameters) {
        if (parameters.hasOwnProperty(i)) {
            pos = parameters[i].indexOf('=');
            if (pos > 0) {
                paramname = parameters[i].substring(0, pos);
                paramval = parameters[i].substring(pos + 1);
                queryString[paramname] = unescape(paramval.replace(/\+/g, ' '));
            }
            else {
                queryString[parameters[i]] = "";
            }
        }
    }

    if (queryString[parameter]) {
        return queryString[parameter];
    }
    else {
        return false;
    }
}

function getQueryStringParameter(key, queryString) {
    //TODO: Cleanup
    var queryString = queryString || window.location.href;
    key = key.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regex = new RegExp("[\\?&]" + key + "=([^&#]*)");
    var qs = regex.exec(queryString);
    if (qs) return qs[1];
    else return false;
}


function relative_time(parsed_date) {
    var relative_to, delta;

    relative_to = (arguments.length > 1) ? arguments[1] : new Date();
    delta = parseInt((relative_to.getTime() - parsed_date) / 1000, 10) + (relative_to.getTimezoneOffset() * 60);

    if (delta < 60) {
        return 'less than a minute ago';
    } else if (delta < 120) {
        return 'a minute ago';
    } else if (delta < (45 * 60)) {
        return (parseInt((delta / 60), 10)).toString() + ' minutes ago';
    } else if (delta < (90 * 60)) {
        return 'an hour ago';
    } else if (delta < (24 * 60 * 60)) {
        return '' + (parseInt((delta / 3600), 10)).toString() + ' hours ago';
    } else if (delta < (48 * 60 * 60)) {
        return '1 day ago';
    } else {
        return (parseInt((delta / 86400), 10)).toString() + ' days ago';
    }
}

function addslashes(str) {
    return str.replace(/\\/g, '\\\\').replace(/\'/g, '\\\'').replace(/\"/g, '\\"').replace(/\0/g, '\\0');
}

function stripslashes(str) {
    return str.replace(/\\'/g, '\'').replace(/\\"/g, '"').replace(/\\0/g, '\\0').replace(/\\\\/g, '\\');
}

function html_entity_decode(str) {
    var temp;

    try {
        temp = document.createElement('textarea');
        temp.innerHTML = str;
        return temp.value;
    }
    catch (e) {
        //for IE add <div id="htmlconverter" style="display:none;"></div> to the page
        document.getElementById("htmlconverter").innerHTML = '<textarea id="innerConverter">' + str + '</textarea>';
        temp = document.getElementById("innerConverter").value;
        document.getElementById("htmlconverter").innerHTML = "";
        return temp;
    }

}

// To prevent the "Console is undefined" bug
try {
    console.log('Console ready...');
}
catch (e) {
    console = {
        log: function() {}
    };
}