var is_ie = (document.all && document.getElementById);
var is_moz = (!document.all && document.getElementById);
var is_opera = (navigator.userAgent.indexOf("Opera") > -1);

comment_fadein_opacity = 0;


function hide(element) {$(element).style.display = 'none';return element; }
function show(element) {$(element).style.display = '';return element; }

var Class = {
	create: function() {
		return function() {
			this.initialize.apply(this, arguments);
		}
	}
};

Object.extend = function(destination, source) {
	for (var property in source) destination[property] = source[property];
	return destination;
};

Function.prototype.bind = function(object) {
	var __method = this;
	return function() {
		return __method.apply(object, arguments);
	}
};

if (!Array.prototype.forEach){
	Array.prototype.forEach = function(fn, bind){
		for(var i = 0; i < this.length ; i++) fn.call(bind, this[i], i);
	};
}

Array.prototype.each = Array.prototype.forEach;

String.prototype.camelize = function(){
	return this.replace(/-\D/gi, function(match){
		return match.charAt(match.length - 1).toUpperCase();
	});
};

var $A = function(iterable) {
	var nArray = [];
	for (var i = 0; i < iterable.length; i++) nArray.push(iterable[i]);
	return nArray;
};

function $() {
	if (arguments.length == 1) return get$(arguments[0]);
	var elements = [];
	$c(arguments).each(function(el){
		elements.push(get$(el));
	});
	return elements;

	function get$(el){
		if (typeof el == 'string') el = document.getElementById(el);
		return el;
	}
};

if (!window.Element) var Element = {};

Object.extend(Element, {
	  hide: function(element) {
		$(element).style.display = 'none';
		return element;
	  },
	
	  show: function(element) {
		$(element).style.display = '';
		return element;
	  },
	remove: function(element) {
		element = $(element);
		element.parentNode.removeChild(element);
	},

	hasClassName: function(element, className) {
		element = $(element);
		return !!element.className.match(new RegExp("\\b"+className+"\\b"));
	},

	addClassName: function(element, className) {
		element = $(element);
		if (!Element.hasClassName(element, className)) element.className = (element.className+' '+className);
	},

	removeClassName: function(element, className) {
		element = $(element);
		if (Element.hasClassName(element, className)) element.className = element.className.replace(className, '');
	}
});

document.getElementsByClassName = function(className){
	var elements = [];
	var all = document.getElementsByTagName('*');
	$A(all).each(function(el){
		if (Element.hasClassName(el, className)) elements.push(el);
	});
	return elements;
};

//AJAX FUNCTIONS
//based on prototype's ajax class
//to be used with prototype.lite, moofx.mad4milk.net.

ajax = Class.create();
ajax.prototype = {
	initialize: function(url, options){
		this.transport = this.getTransport();
		this.postBody = options.postBody || '';
		this.method = options.method || 'post';
		this.onComplete = options.onComplete || null;
		this.update = $(options.update) || null;
		this.request(url);
	},

	request: function(url){
		this.transport.open(this.method, url, true);
		this.transport.onreadystatechange = this.onStateChange.bind(this);
		if (this.method == 'post') {
			this.transport.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
			if (this.transport.overrideMimeType) this.transport.setRequestHeader('Connection', 'close');
		}
		this.transport.send(this.postBody);
	},

	onStateChange: function(){
		if (this.transport.readyState == 4 && this.transport.status == 200) {
			if (this.onComplete) 
				setTimeout(function(){this.onComplete(this.transport);}.bind(this), 10);
			if (this.update)
				setTimeout(function(){this.update.innerHTML = this.transport.responseText;}.bind(this), 10);
			this.transport.onreadystatechange = function(){};
		}
	},

	getTransport: function() {
		if (window.ActiveXObject) return new ActiveXObject('Microsoft.XMLHTTP');
		else if (window.XMLHttpRequest) return new XMLHttpRequest();
		else return false;
	}
};


 



function submitCity( form)
{
	if (form.city.value != '')
		form.action = form.action + '/city-'+form.city.value+'/';
	return true;
}




 
function checkemail(str)
{
    var testresults
    var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
    if (filter.test(str))
        testresults=true
    else
    {
        testresults=false
    }
    return (testresults)
}





		
		function redirectregion(urlprefix, val)
		{
			if (val!=0)
				window.location=urlprefix+'/region-'+val+'/';
			else
				window.location=urlprefix+'/';
		}



function preSubmitSearch(langprefix, text)
{
	var pattern = /[\//'\\\/*\(\)\[\]]/ig;
	var str = text.replace(pattern,'');
	$('search').value = str;
	if (str.length<3) {
		//$('serr').innerHTML = cmnlang['shortsearch'];
		alert(cmnlang['shortsearch']);
	} else {
		$('searchform').action = langprefix+'/search?q='+str;
		return true;
	}
	return false;
}

function preSubmitMainSearch(text) {
	var pattern = /[\//'\\\/*\(\)\[\]]/ig;
	var str = text.replace(pattern,'');
	$('mainsearch').value = str;
	if (str.length<3) {
		$('serr').innerHTML = cmnlang['shortsearch'];
	} else {
		//$('sform').action = '{$langprefix}/search?q='+str;
		//alert('{$langprefix}/search?q='+str);
		return true;
		//$('sform').submit();
	}
	return false;
}