var dateFormat = function () {
	var	token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (val, len) {
			val = String(val);
			len = len || 2;
			while (val.length < len) val = "0" + val;
			return val;
		};

	// Regexes and supporting functions are cached through closure
	return function (date, mask, utc) {
		var dF = dateFormat;

		// You can't provide utc if you skip other args (use the "UTC:" mask prefix)
		if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
			mask = date;
			date = undefined;
		}

		// Passing date through Date applies Date.parse, if necessary
		date = date ? new Date(date) : new Date;
		if (isNaN(date)) throw SyntaxError("invalid date");

		mask = String(dF.masks[mask] || mask || dF.masks["default"]);

		// Allow setting the utc argument via the mask
		if (mask.slice(0, 4) == "UTC:") {
			mask = mask.slice(4);
			utc = true;
		}

		var	_ = utc ? "getUTC" : "get",
			d = date[_ + "Date"](),
			D = date[_ + "Day"](),
			m = date[_ + "Month"](),
			y = date[_ + "FullYear"](),
			H = date[_ + "Hours"](),
			M = date[_ + "Minutes"](),
			s = date[_ + "Seconds"](),
			L = date[_ + "Milliseconds"](),
			o = utc ? 0 : date.getTimezoneOffset(),
			flags = {
				d:    d,
				dd:   pad(d),
				ddd:  dF.i18n.dayNames[D],
				dddd: dF.i18n.dayNames[D + 7],
				m:    m + 1,
				mm:   pad(m + 1),
				mmm:  dF.i18n.monthNames[m],
				mmmm: dF.i18n.monthNames[m + 12],
				yy:   String(y).slice(2),
				yyyy: y,
				h:    H % 12 || 12,
				hh:   pad(H % 12 || 12),
				H:    H,
				HH:   pad(H),
				M:    M,
				MM:   pad(M),
				s:    s,
				ss:   pad(s),
				l:    pad(L, 3),
				L:    pad(L > 99 ? Math.round(L / 10) : L),
				t:    H < 12 ? "a"  : "p",
				tt:   H < 12 ? "am" : "pm",
				T:    H < 12 ? "A"  : "P",
				TT:   H < 12 ? "AM" : "PM",
				Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
				o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
				S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
			};

		return mask.replace(token, function ($0) {
			return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
		});
	};
}();

// Some common format strings
dateFormat.masks = {
	"default":      "ddd mmm dd yyyy HH:MM:ss",
	shortDate:      "m/d/yy",
	mediumDate:     "mmm d, yyyy",
	longDate:       "mmmm d, yyyy",
	fullDate:       "dddd, mmmm d, yyyy",
	shortTime:      "h:MM TT",
	mediumTime:     "h:MM:ss TT",
	longTime:       "h:MM:ss TT Z",
	isoDate:        "yyyy-mm-dd",
	isoTime:        "HH:MM:ss",
	isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss",
	isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
	dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
	monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format = function (mask, utc) {
	return dateFormat(this, mask, utc);
};


(function($) {
jQuery.init_form = function() {

	$("#joinform .tagField").bind("click", function() {
		$(this).parent().find(".hoverTag").css({display: "none"});
	
	}).bind("blur", function() {
			if($(this).attr('value') == "") {
				$(this).parent().find(".hoverTag").css({display: "block"});
			}
	
	}).bind("focus", function() {
		$(this).parent().find(".hoverTag").css({display: "none"});
	});	
	
	$("#joinform .hoverTag").bind("click", function() {
		$(this).css({display: "none"});
		$(this).parent().find(".tagField").focus();
	
	});

};

    var twitterUrl = "http://twitter.com/statuses/user_timeline/[USER].json?count=[COUNT]&callback=?";
        
    var linkify = function(s) {
        return s.replace(/\b[a-z]+:\/\/([^ ]+)/i, "<a href=\"$&\" target=\"_blank\">$&</a>")
    };

    var ago = function(date) {
		return date.toString();
        var diff = Math.floor((new Date() - date) / 1000);
        if (diff < 60)
            return diff + " seconds ago";
        else if (diff < 60 * 60)
            return Math.floor(diff / 60) + " minutes ago";
        else if (diff < 60 * 60 * 24)
            return Math.floor(diff / (60 * 60)) + " hours ago";
        else if (diff < 60 * 60 * 24 * 265)
            return Math.floor(diff / (60 * 60 * 24)) + " days ago";
        else
            return "over a year ago";
    };
	
	$.fn.prompt = function(textContainer, labelContainer) {
		return $(this).each(function() {
		
			var root = $(this);
			var input = root.find(textContainer);
			var label = root.find(labelContainer);
			var prompt =
                $("<span />")
                 .addClass("prompt")
                 .insertAfter(label);
			label.show().appendTo(prompt);
			
			var pos = input.position();
			prompt.css('left', pos.left).css('top', pos.top);
			input.bind('click focus', function() {
				prompt.hide();
				if ($(this).val() == label.text()) $(this).val('');

			}).bind('blur', function() {
				if ($(this).val() == label.text() || $(this).val() == '') {
					prompt.show();
					$(this).val('');
				}
			});
			prompt.click(function() {
				$(this).hide();
				input.focus();
			});

			$(function() {
				if (input.val() != '') prompt.hide();
			});

		});
	};
	
    
    $.fn.latestTwitterUpdate = function(user, items) {
        var root = $(this);
		var li = null;
		var ul = root.find('ul');
        var itemAmount = parseInt(items) > 0 ? parseInt(items) : 1;
		
        $.get(twitterUrl.replace("[USER]", user).replace("[COUNT]", itemAmount), null, function(data) {
            if (data && data.length) {
				for(var i = 0; i < itemAmount; i++) {
					li = $('<li class="Item'+ i + '"></li>').appendTo(ul);
					$('<p class="text"></p>').html(linkify(data[i].text)).appendTo(li);
					$('<p class="time Date"></p>').text(new Date(data[i].created_at).format('h:MM TT mmm ddS')).appendTo(li);	
					root.slideDown(300);
				}
            }
        }, "jsonp");
    };
    
    $.fn.addMouseClasses = function(selector) {
        return $(this).each(function() {
            var self = $(this), target = selector ? $(this).find(selector) : $(this);
            target.hover(function() {
                self.addClass("hover");
            }, function(){
                self.removeClass("hover");
            });
            target.focus(function() {
                self.addClass("focus");
            }).blur(function() {
                self.removeClass("focus");
            });
        });
    };

})(jQuery);