$(document).ready(function(){
	clearFormFields({
		clearInputs: false,
		clearTextareas: false,
		passwordFieldText: false,
		addClassFocus: "focus",
		filterClass: "default"
	});
	InitGallery();
	initValidation();
});
function initValidation(){
	var _errorClass = 'incorrect';
	var _regEmail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	var _regPhone = /^[0-9\-\ \()]+$/;
		function checkFields() {
			var _flag = false;
			$('.'+_errorClass).removeClass(_errorClass);

			// fields validation
			
			$('input.required-email').each(function(){
				if(!_regEmail.test($(this).val())) {addError($(this));}
			});
			$('input.required-phone').each(function(){
				if(!_regPhone.test($(this).val())) addError($(this));
			});
			$('input.required, textarea.required').each(function(){
				if(!$(this).val().length || $(this).val() == $(this).attr('alt')) addError($(this));
			});

			// error class adding
			function addError(_obj) {
				_obj.parents('tr').addClass(_errorClass);
				_flag=true;
			}
			return _flag;
		}

		// catch form submit event
		$('input.btn-search').click(function(){
			if(checkFields()) {
				return false;
			}
		});
	
}
function InitGallery(){
	$('.slideshow').Gallery({
		speed: 800,
		duration: 7000,
		list: 'ul.slides>li',
		pager: 'ul.switcher'
	});
};
jQuery.fn.Gallery = function(_options){
	// default options
	var _options = jQuery.extend({
		speed: 1200,
		duration: 4000,
		list: 'ul.fade>li',
		prev: 'a.prev',
		next: 'a.next',
		pager: 'ul.switcher',
		pause: ''
	},_options);
	
	return this.each(function(){
		// options
		var _hold = jQuery(this);
		var _speed = _options.speed;
		var _duration = _options.duration;
		var _list = _hold.find(_options.list);
		var _prev = _hold.find(_options.prev);
		var _next = _hold.find(_options.next);
		var _pause = _hold.find(_options.pause);
		var _f = true;
		var _a = _list.index(_list.filter('.active:eq(0)'));
		if(_a == -1) {_a = 0;_list.eq(_a).addClass('active')}
		var _i, _old = _a, _t;
	/*--------CREATING THUMBNAILS----------*/
		var _num = _hold.find(_options.pager).empty();
		_list.each(function(i){
			$('<li><a href="#">'+(i+1)+'</a></li>').appendTo(_num);
		});
		var _thumb = _num.find('li');
		_thumb.eq(_a).addClass('active');
	/*-------------------------------------------------*/
		if (jQuery.browser.msie && jQuery.browser.version < 6){		_list.hide().eq(_a).show();
		}else{		_list.show().css({opacity:0}).eq(_a).css({opacity:1});	}
		Run(_a);
		
		function Run(_a){
			_t = setTimeout(function(){
				_a++; if (_a >= _list.length){_a=0}
				ChangeFade(_a);
			}, _duration);
		};
		function ChangeFade(_new){
			if(_new != _old){
				if(jQuery.browser.msie && jQuery.browser.version < 6){
					_list.eq(_old).removeClass('active').hide();
					_list.eq(_new).addClass('active').show();
				}else{
					_list.eq(_old).removeClass('active').animate({opacity:0}, {queue:false, duration:_speed});
					_list.eq(_new).addClass('active').animate({opacity:1}, {queue:false, duration:_speed});
				}
				_thumb.eq(_old).removeClass('active');
				_thumb.eq(_new).addClass('active');
				_old=_new;_a=_new;
				if(_t) clearTimeout(_t);
				if (_f){Run(_new);}
			};
		};
		_pause.click(function(){
			_f = false;
			clearTimeout(_t);
			return false;
		});
		_thumb.click(function(){
			_i = _thumb.index($(this));
			ChangeFade(_i);
			_a = _i;
			return false;
		});
		_next.click(function(){
			_a++; if (_a == _list.length){_a=0}
			ChangeFade(_a);
			return false;
		});
		_prev.click(function(){
			_a--; if (_a == -1){_a = _list.length-1}
			ChangeFade(_a);
			return false;
		});
	});
};

function initNav()
{
	var nav = document.getElementById("nav");
	if(nav)
	{
		var lis = nav.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++)
		{
			lis[i].onmouseover = function()
			{
				this.className += " hover";
			}
			lis[i].onmouseout = function()
			{
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}
if (document.all && !window.opera) attachEvent("onload", initNav);


function clearFormFields(o)
{
	if (o.clearInputs == null) o.clearInputs = true;
	if (o.clearTextareas == null) o.clearTextareas = true;
	if (o.passwordFieldText == null) o.passwordFieldText = false;
	if (o.addClassFocus == null) o.addClassFocus = false;
	if (!o.filter) o.filter = "default";
	if(o.clearInputs) {
		var inputs = document.getElementsByTagName("input");
		for (var i = 0; i < inputs.length; i++ ) {
			if((inputs[i].type == "text" || inputs[i].type == "password") && inputs[i].className.indexOf(o.filterClass)) {
				inputs[i].valueHtml = inputs[i].value;
				inputs[i].onfocus = function ()	{
					if(this.valueHtml == this.value) this.value = "";
					if(this.fake) {
						inputsSwap(this, this.previousSibling);
						this.previousSibling.focus();
					}
					if(o.addClassFocus && !this.fake) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				inputs[i].onblur = function () {
					if(this.value == "") {
						this.value = this.valueHtml;
						if(o.passwordFieldText && this.type == "password") inputsSwap(this, this.nextSibling);
					}
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
				if(o.passwordFieldText && inputs[i].type == "password") {
					var fakeInput = document.createElement("input");
					fakeInput.type = "text";
					fakeInput.value = inputs[i].value;
					fakeInput.className = inputs[i].className;
					fakeInput.fake = true;
					inputs[i].parentNode.insertBefore(fakeInput, inputs[i].nextSibling);
					inputsSwap(inputs[i], null);
				}
			}
		}
	}
	if(o.clearTextareas) {
		var textareas = document.getElementsByTagName("textarea");
		for(var i=0; i<textareas.length; i++) {
			if(textareas[i].className.indexOf(o.filterClass)) {
				textareas[i].valueHtml = textareas[i].value;
				textareas[i].onfocus = function() {
					if(this.value == this.valueHtml) this.value = "";
					if(o.addClassFocus) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				textareas[i].onblur = function() {
					if(this.value == "") this.value = this.valueHtml;
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
			}
		}
	}
	function inputsSwap(el, el2) {
		if(el) el.style.display = "none";
		if(el2) el2.style.display = "inline";
	}
}