/*
 *
 *	jQuery Timer plugin v0.1
 *		Matt Schmidt [http://www.mattptr.net]
 *
 *	Licensed under the BSD License:
 *		http://mattptr.net/license/license.txt
 *
 */
 
 jQuery.timer = function (interval, callback)
 {
 /**
  *
  * timer() provides a cleaner way to handle intervals  
  *
  *	@usage
  * $.timer(interval, callback);
  *
  *
  * @example
  * $.timer(1000, function (timer) {
  * 	alert("hello");
  * 	timer.stop();
  * });
  * @desc Show an alert box after 1 second and stop
  * 
  * @example
  * var second = false;
  *	$.timer(1000, function (timer) {
  *		if (!second) {
  *			alert('First time!');
  *			second = true;
  *			timer.reset(3000);
  *		}
  *		else {
  *			alert('Second time');
  *			timer.stop();
  *		}
  *	});
  * @desc Show an alert box after 1 second and show another after 3 seconds
  *
  * 
  */

	var interval = interval || 100;

	if (!callback)
		return false;
	
	_timer = function (interval, callback) {
		this.stop = function () {
			clearInterval(self.id);
		};
		
		this.internalCallback = function () {
			callback(self);
		};
		
		this.reset = function (val) {
			if (self.id)
				clearInterval(self.id);
			
			var val = val || 100;
			this.id = setInterval(this.internalCallback, val);
		};
		
		this.interval = interval;
		this.id = setInterval(this.internalCallback, this.interval);
		
		var self = this;
	};
	
	return new _timer(interval, callback);
 };
/**
* @author Remy Sharp
* @url http://remysharp.com/2007/01/25/jquery-tutorial-text-box-hints/
*
* better val() method added by Matt Chisholm, 2009/07/27
* http://glyphobet.net/blog/essay/878
*/

(function ($) {

$.fn.hint = function (blurClass) {
  if (!blurClass) {
    blurClass = 'hint';
  }

  return this.each(function () {
    // get jQuery version of 'this'
    var $input = $(this),

    // capture the rest of the variable to allow for reuse
      title = $input.attr('title'),
      $form = $(this.form),
      $win = $(window);

    function remove() {
      if ($input.realval() === title && $input.hasClass(blurClass)) {
        $input.val('').removeClass(blurClass);
      }
    }

    // only apply logic if the element has the attribute
    if (title) {
      // on blur, set value to title attr if text is blank
      $input.blur(function () {
        if (this.value === '') {
          $input.val(title).addClass(blurClass);
        }
      }).focus(remove).blur(); // now change all inputs to title

      // clear the pre-defined text when form is submitted
      $form.submit(remove);
      $win.unload(remove); // handles Firefox's autocomplete
    }
  });
};

$.fn.realval = $.fn.val;

$.fn.val = function (value) {
  var i = $(this);
  if (value === undefined) {
    return (i.realval() === i.attr('title')) ? '' : i.realval();
  } else {
    return i.realval(value);
  }
}

})(jQuery);

//JSON
/*
 * jQuery JSON Plugin
 * version: 2.1 (2009-08-14)
 *
 * This document is licensed as free software under the terms of the
 * MIT License: http://www.opensource.org/licenses/mit-license.php
 *
 * Brantley Harris wrote this plugin. It is based somewhat on the JSON.org 
 * website's http://www.json.org/json2.js, which proclaims:
 * "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that
 * I uphold.
 *
 * It is also influenced heavily by MochiKit's serializeJSON, which is 
 * copyrighted 2005 by Bob Ippolito.
 */
 
(function($) {
    /** jQuery.toJSON( json-serializble )
        Converts the given argument into a JSON respresentation.

        If an object has a "toJSON" function, that will be used to get the representation.
        Non-integer/string keys are skipped in the object, as are keys that point to a function.

        json-serializble:
            The *thing* to be converted.
     **/
    $.toJSON = function(o)
    {
        if (typeof(JSON) == 'object' && JSON.stringify)
            return JSON.stringify(o);
        
        var type = typeof(o);
    
        if (o === null)
            return "null";
    
        if (type == "undefined")
            return undefined;
        
        if (type == "number" || type == "boolean")
            return o + "";
    
        if (type == "string")
            return $.quoteString(o);
    
        if (type == 'object')
        {
            if (typeof o.toJSON == "function") 
                return $.toJSON( o.toJSON() );
            
            if (o.constructor === Date)
            {
                var month = o.getUTCMonth() + 1;
                if (month < 10) month = '0' + month;

                var day = o.getUTCDate();
                if (day < 10) day = '0' + day;

                var year = o.getUTCFullYear();
                
                var hours = o.getUTCHours();
                if (hours < 10) hours = '0' + hours;
                
                var minutes = o.getUTCMinutes();
                if (minutes < 10) minutes = '0' + minutes;
                
                var seconds = o.getUTCSeconds();
                if (seconds < 10) seconds = '0' + seconds;
                
                var milli = o.getUTCMilliseconds();
                if (milli < 100) milli = '0' + milli;
                if (milli < 10) milli = '0' + milli;

                return '"' + year + '-' + month + '-' + day + 'T' +
                             hours + ':' + minutes + ':' + seconds + 
                             '.' + milli + 'Z"'; 
            }

            if (o.constructor === Array) 
            {
                var ret = [];
                for (var i = 0; i < o.length; i++)
                    ret.push( $.toJSON(o[i]) || "null" );

                return "[" + ret.join(",") + "]";
            }
        
            var pairs = [];
            for (var k in o) {
                var name;
                var type = typeof k;

                if (type == "number")
                    name = '"' + k + '"';
                else if (type == "string")
                    name = $.quoteString(k);
                else
                    continue;  //skip non-string or number keys
            
                if (typeof o[k] == "function") 
                    continue;  //skip pairs where the value is a function.
            
                var val = $.toJSON(o[k]);
            
                pairs.push(name + ":" + val);
            }

            return "{" + pairs.join(", ") + "}";
        }
    };

    /** jQuery.evalJSON(src)
        Evaluates a given piece of json source.
     **/
    $.evalJSON = function(src)
    {
        if (typeof(JSON) == 'object' && JSON.parse)
            return JSON.parse(src);
        return eval("(" + src + ")");
    };
    
    /** jQuery.secureEvalJSON(src)
        Evals JSON in a way that is *more* secure.
    **/
    $.secureEvalJSON = function(src)
    {
        if (typeof(JSON) == 'object' && JSON.parse)
            return JSON.parse(src);
        
        var filtered = src;
        filtered = filtered.replace(/\\["\\\/bfnrtu]/g, '@');
        filtered = filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
        filtered = filtered.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
        
        if (/^[\],:{}\s]*$/.test(filtered))
            return eval("(" + src + ")");
        else
            throw new SyntaxError("Error parsing JSON, source is not valid.");
    };

    /** jQuery.quoteString(string)
        Returns a string-repr of a string, escaping quotes intelligently.  
        Mostly a support function for toJSON.
    
        Examples:
            >>> jQuery.quoteString("apple")
            "apple"
        
            >>> jQuery.quoteString('"Where are we going?", she asked.')
            "\"Where are we going?\", she asked."
     **/
    $.quoteString = function(string)
    {
        if (string.match(_escapeable))
        {
            return '"' + string.replace(_escapeable, function (a) 
            {
                var c = _meta[a];
                if (typeof c === 'string') return c;
                c = a.charCodeAt();
                return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
            }) + '"';
        }
        return '"' + string + '"';
    };
    
    var _escapeable = /["\\\x00-\x1f\x7f-\x9f]/g;
    
    var _meta = {
        '\b': '\\b',
        '\t': '\\t',
        '\n': '\\n',
        '\f': '\\f',
        '\r': '\\r',
        '"' : '\\"',
        '\\': '\\\\'
    };
})(jQuery);