/*
Script: Browser.Extras.js
	Extends the Window native object to include methods useful in managing the window location and urls.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
Browser.combine({
	getHost:function(url){
		url = $pick(url, window.location.href);
		var host = url;
		if(url.test('http://')){
			url = url.substring(url.indexOf('http://')+7,url.length);
			if(url.test(':')) url = url.substring(0, url.indexOf(":"));
			if(url.test('/')) return url.substring(0,url.indexOf('/'));
			return url;
		}
		return false;
	},
	getQueryStringValue: function(key, url) {
		try { 
			return Browser.getQueryStringValues(url)[key];
		}catch(e){return null;}
	},
	getQueryStringValues: function(url){
		var qs = $pick(url, window.location.search, '').split('?')[1]; //get the query string
		if (!$chk(qs)) return {};
		if (qs.test('#')) qs = qs.substring(0, qs.indexOf('#'));
		try {
       if (qs) return qs.parseQuery();
		} catch(e){
			return null;
		}
		return {}; //if there isn't one, return null
	},
	getPort: function(url) {
		url = $pick(url, window.location.href);
		var re = new RegExp(':([0-9]{4})');
		var m = re.exec(url);
	  if (m == null) return false;
	  else {
			var port = false;
			m.each(function(val){
				if($chk(parseInt(val))) port = val;
			});
	  }
		return port;
	}
});
window.addEvent('domready', function(){
	var count = 0;
	//this is in case domready fires before string.extras loads
	function setQs(){
		function retry(){
			count++;
			if (count < 20) setQs.delay(50);
		}; 
		try {
			if (!Browser.set("qs", Browser.getQueryStringValues())) retry();
		} catch(e){
			retry();
		}
	}
	setQs();
});

/*
Script: Hash.Extras.js
	Extends the Hash native object to include getFromPath which allows a path notation to child elements.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

Hash.implement({
	getFromPath: function(notation) {
		var source = this.getClean();
		notation.replace(/\[([^\]]+)\]|\.([^.[]+)|[^[.]+/g, function(match) {
			if (!source) return;
			var prop = arguments[2] || arguments[1] || arguments[0];
			source = (prop in source) ? source[prop] : null;
			return match;
		});
		return source;
	},
	cleanValues: function(method){
		method = method||$defined;
		this.each(function(v, k){
			if (!method(v)) this.erase(k);
		}, this);
	}
});

/*
Script: String.Extras.js
	Extends the String native object to include methods useful in managing various kinds of strings (query strings, urls, html, etc).

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/
String.implement({
	stripTags: function() {
		return this.replace(/<\/?[^>]+>/gi, '');
  },
	parseQuery: function(encodeKeys, encodeValues) {
		encodeKeys = $pick(encodeKeys, true);
		encodeValues = $pick(encodeValues, true);
		var vars = this.split(/[&;]/);
		var rs = {};
		if (vars.length) vars.each(function(val) {
			var keys = val.split('=');
			if (keys.length && keys.length == 2) {
				rs[(encodeKeys)?encodeURIComponent(keys[0]):keys[0]] = (encodeValues)?encodeURIComponent(keys[1]):keys[1];
			}
		});
		return rs;
	},
	tidy: function() {
		var txt = this.toString();
		$each({
			"[\xa0\u2002\u2003\u2009]": " ",
			"\xb7": "*",
			"[\u2018\u2019]": "'",
			"[\u201c\u201d]": '"',
			"\u2026": "...",
			"\u2013": "-",
			"\u2014": "--",
			"\uFFFD": "&raquo;"
		}, function(value, key){
			txt = txt.replace(new RegExp(key, 'g'), value);
		});
		return txt;
	}
});


/*
Script: Element.Shortcuts.js
	Extends the Element native object to include some shortcut methods.

License:
	http://clientside.cnet.com/wiki/cnet-libraries#license
*/

Element.implement({
	isVisible: function() {
		return this.getStyle('display') != 'none';
	},
	toggle: function() {
		return this[this.isVisible() ? 'hide' : 'show']();
	},
	hide: function() {
		var d;
		try {
			//IE fails here if the element is not in the dom
			if ('none' != this.getStyle('display')) d = this.getStyle('display');
		} catch(e){}
		this.store('originalDisplay', d||'block'); 
		this.setStyle('display','none');
		return this;
	},
	show: function(display) {
		original = this.retrieve('originalDisplay')?this.retrieve('originalDisplay'):this.get('originalDisplay');
		this.setStyle('display',(display || original || 'block'));
		return this;
	},
	swapClass: function(remove, add) {
		return this.removeClass(remove).addClass(add);
	},
	//TODO
	//DO NOT USE THIS METHOD
	//it is temporary, as Mootools 1.1 will negate its requirement
	fxOpacityOk: function(){
		return !Browser.Engine.trident4;
	}
});

Array.implement({

	getObjectById: function( id, idKey )
	{
		if ( !idKey ) idKey = 'id';
		
		for ( var i = 0; i < this.length; i++ )
		{
			if ( isObject(this[i]) && this[i][idKey] == id )
				return this[i];
		}
		
		return null;
	}
	
});

function isObject(o) {
	return ( $type( o ) == 'object' );
}

// extend the mootools framework with other functions

Element.implement({

	getText: function(){
		return this.get('text');
	},

	setText: function(text){
		return this.set('text', text);
	},

	setHTML: function(){
		return this.set('html', arguments);
	},
	
	getHTML: function(){
		return this.get('html');
	},

	getTag: function(){
		return this.get('tag');
	}

});