var Validate = new Class({
	
	getOptions: function(){
		return {
			validateOnBlur: true,
			errorClass: 'error',
			errorMsgClass: 'errorMessage',
			dateFormat: 'dd/MM/yy',
			onFail: Class.empty,
			onSuccess: false,
			showErrorsInline: true,
			label: 'Please wait...',
			gb_errflag:true
		};
	},

	initialize: function(form, options){
		this.setOptions(this.getOptions(), options);
		
		this.form = $(form);
		this.elements = this.form.getElements('.required');
		
		this.list = [];
		
		this.elements.each(function(el,i){
			if(this.options.validateOnBlur){
				el.addEvent('blur', this.validate.bind(this, el));
			}
		}.bind(this));
		
		this.form.addEvent('submit', function(e){
			var event = new Event(e);
			var doSubmit = true;
			this.elements.each(function(el,i){
				if(! this.validate(el)){
					event.stop();
					doSubmit = false
					this.list.include(el);
				}else{
					this.list.remove(el);
				}
			}.bind(this));
			
			if(doSubmit){
				if(this.options.onSuccess){
					event.stop();
					this.options.onSuccess(this.form);
				}else{
					this.form.getElement('input[type=submit]').setProperty('value',this.options.label);
				}
			}else{
				this.options.onFail(this.getList());
			}
			
		}.bind(this));
		
	},
	
	getList: function(){
		var list = new Element('ul');
		this.list.each(function(el,i){
			if(el.title != ''){
			var li = new Element('li').injectInside(list);
			new Element('label').setProperty('for', el.id).setText(el.title).injectInside(li);
			}
		});
		return list;
	},
	
	validate: function(el){
		var valid = true;
		this.clearMsg(el);
		
		switch(el.type){
			case 'text':
			case 'textarea':
			case 'select-one':
				if(el.value != ''){
					if(el.hasClass('email')){
						var regEmail = /^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/;
						if(el.value.toUpperCase().match(regEmail)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid email address');
						}
					}
					
					if(el.hasClass('number')){
						var regNum = /[-+]?[0-9]*\.?[0-9]+/;
						if(el.value.match(regNum)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid number');
						}
					}
					
					if(el.hasClass('postcode')){
						var regPC = /^([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9]?[A-Za-z])))) [0-9][A-Za-z]{2})$/
						if(el.value.match(regPC)){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid postcode');
						}
					}
					
					if(el.hasClass('date')){
						var d = Date.parseExact(el.value, this.options.dateFormat);
						if(d != null){
							valid = true;
						}else{
							valid = false;
							this.setMsg(el, 'Please enter a valid date in the format: '+this.options.dateFormat.toLowerCase());
						}
					}
					
				}else{
					valid = false;
					this.setMsg(el);
				}
				break;
				
			case 'checkbox':
				if(!el.checked){
					valid = false;
					this.setMsg(el);
				}else{
					valid = true;
				}
				break;
				
			case 'radio':
				var rad = $A(this.form[el.name]);
				var ok = false;
				rad.each(function(e,i){
					if(e.checked){
						ok = true;
					}
				});
				if(!ok){
					valid = false;
					this.setMsg(rad.getLast(), 'Please select an option');
				}else{
					valid = true;
					this.clearMsg(rad.getLast());
				}
				break;
				
		}
		return valid;
	},
	
	setMsg: function(el, msg){
		if(msg == undefined){
			msg = el.title;
		}
		if(this.options.showErrorsInline){
			if(el.error == undefined){
				el.error = new Element('span').addClass(this.options.errorMsgClass).setText(msg).injectAfter(el);
			}else{
				el.error.setText(msg);
			}
			el.addClass(this.options.errorClass);
		}
	},
	
	clearMsg: function(el){
		el.removeClass(this.options.errorClass);
		if(el.error != undefined){
			el.error.remove();
			el.error = undefined;
		}
	}
	
});

Validate.implement(new Options);
Validate.implement(new Events);



var _ERROR_MESSAGE			= "您来错地方了" //+ "<em>还可以这个样子的</em>"; // the error message displayed when the request has a problem
var _RESIZE_DURATION 		= 500; 		// Duration of height and width resizing (ms)
var _INITIAL_WIDTH			= 0;		// Initial width of the box (px)
var _INITIAL_HEIGHT			= 0;		// Initial height of the box (px)
var _CONTENTS_WIDTH 		= 500;		// Actual width of the box (px)
var _CONTENTS_HEIGHT		= 500;		// Actual height of the box (px)
var _DEF_CONTENTS_WIDTH		= 550;		// Default width of the box (px) - used for resetting when a different setting was used
var _DEF_CONTENTS_HEIGHT	= 500;			// Default height of the box (px) - used for resetting when a different setting was used
var _ANIMATE_CAPTION		= true;		// Enable/Disable caption animation
var _EVAL_SCRIPTS			= false;	// Option to evaluate scripts in the response text
var _EVAL_RESPONSE			= false;	// Option to evaluate the whole response text


// The MOOdalBox object in its beauty
var MOOdalBox = {
	
	// init the MOOdalBox
	init: function (options) {
		
		// init default options
		this.options = Object.extend({
			resizeDuration: 	_RESIZE_DURATION,
			initialWidth: 		_INITIAL_WIDTH,	
			initialHeight: 		_INITIAL_HEIGHT,
			contentsWidth: 		_CONTENTS_WIDTH,
			contentsHeight: 	_CONTENTS_HEIGHT,
			defContentsWidth: 	_DEF_CONTENTS_WIDTH,
			defContentsHeight: 	_DEF_CONTENTS_HEIGHT,
			animateCaption: 	_ANIMATE_CAPTION,
			evalScripts: 		_EVAL_SCRIPTS,
			evalResponse: 		_EVAL_RESPONSE
		}, options || {});
		
		// scan anchors for those opening a MOOdalBox
		this.anchors = [];
		$A($$('a')).each(function(el){
			// we use a regexp to check for links that 
			// have a rel attribute starting with "moodalbox"
			if(el.rel && el.href && el.rel.test('^moodalbox', 'i')) {
				el.onclick = this.click.pass(el, this);
				this.anchors.push(el);
			}
		}, this);
		
		// add event listeners
		this.eventKeyDown = this.keyboardListener.bindWithEvent(this);
		this.eventPosition = this.position.bind(this);
		
		// init the HTML elements
		// the overlay (clickable to close)
		this.overlay = new Element('div').setProperty('id', 'mb_overlay').injectInside(document.body);
		// the center element
		this.center = new Element('div').setProperty('id', 'mb_center').setStyles({width: this.options.initialWidth+'px', height: this.options.initialHeight+'px', marginLeft: '-'+(this.options.initialWidth/2)+'px', display: 'none'}).injectInside(document.body);
		// the actual page contents
		this.contents = new Element('div').setProperty('id', 'mb_contents').injectInside(this.center);

		// the bottom part (caption / close)
		this.bottom = new Element('div').setProperty('id', 'mb_bottom').setStyle('display', 'none').injectInside(document.body);
		this.closelink = new Element('a').setProperties({id: 'mb_close_link', href: '#'}).injectInside(this.bottom);
		this.caption = new Element('div').setProperty('id', 'mb_caption').injectInside(this.bottom);
		new Element('div').setStyle('clear', 'both').injectInside(this.bottom);
		
		this.error = new Element('div').setProperty('id', 'mb_error').setHTML(_ERROR_MESSAGE);
		
		// attach the close event to the close button / the overlay
		this.closelink.onclick = this.overlay.onclick = this.close.bind(this);
		
		// init the effects
		var nextEffect = this.nextEffect.bind(this);
		this.fx = {
			overlay: 	this.overlay.effect('opacity', { duration: 500 }).hide(),
			resize: 	this.center.effects({ duration: this.options.resizeDuration, onComplete: nextEffect }),
			contents: 	this.contents.effect('opacity', { duration: 500, onComplete: nextEffect }),
			bottom: 	this.bottom.effects({ duration: 400, onComplete: nextEffect })
		};
		
		this.ajaxRequest = Class.empty;

	},
	
	click: function(link) {
		return this.open (link.href, link.title, link.rel);
	},

	open: function(sLinkHref, sLinkTitle, sLinkRel) {
		this.href = sLinkHref;
		this.title = sLinkTitle;
		this.rel = sLinkRel;
		this.position();
		this.setup(true);
		this.top = Window.getScrollTop() + (Window.getHeight() / 15);
		this.center.setStyles({top: this.top+'px', display: ''});
		this.fx.overlay.custom(0.8);
		return this.loadContents(sLinkHref);
	},

	position: function() {
		this.overlay.setStyles({top: Window.getScrollTop()+'px', height: Window.getHeight()+'px'});
	},

	setup: function(open) {
		var elements = $A($$('object'));
		elements.extend($$(window.ActiveXObject ? 'select' : 'embed'));
		elements.each(function(el){ el.style.visibility = open ? 'hidden' : ''; });
		var fn = open ? 'addEvent' : 'removeEvent';
		window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
		document[fn]('keydown', this.eventKeyDown);
		this.step = 0;
	},
	
	loadContents: function() {		
		if(this.step) return false;
		this.step = 1;
		
		// check to see if there are specified dimensions
		// if not, fall back to default values
		var aDim = this.rel.match(/[0-9]+/g);
		this.options.contentsWidth = (aDim && (aDim[0] > 0)) ? aDim[0] : this.options.defContentsWidth;
		this.options.contentsHeight = (aDim && (aDim[1] > 0)) ? aDim[1] : this.options.defContentsHeight;
						
		this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
		this.center.className = 'mb_loading';
		
		this.fx.contents.hide();
		
		// AJAX call here
		var nextEffect = this.nextEffect.bind(this);
		var ajaxFailure = this.ajaxFailure.bind(this);
		var ajaxOptions = {
			method: 		'get',
			update: 		this.contents, 
			evalScripts: 	this.options.evalScripts,
			evalResponse: 	this.options.evalResponse,
			onComplete: 	nextEffect, 
			onFailure: 		ajaxFailure
			};
		this.ajaxRequest = new Ajax(this.href, ajaxOptions).request();
				
		return false;
	},
	
	ajaxFailure: function (){
		this.contents.setHTML('');
		this.error.clone().injectInside(this.contents);
		this.nextEffect();
		this.center.setStyle('cursor', 'pointer');
		this.bottom.setStyle('cursor', 'pointer');
		this.center.onclick = this.bottom.onclick = this.close.bind(this);		
	},
	
	nextEffect: function() {
		switch(this.step++) {
		case 1:
			// remove previous styling from the elements 
			// (e.g. styling applied in case of an error)
			this.center.className = '';
			this.center.setStyle('cursor', 'default');
			this.bottom.setStyle('cursor', 'default');
			this.center.onclick = this.bottom.onclick = '';
			this.caption.setHTML(this.title);
			
			this.contents.setStyles ({width: this.options.contentsWidth + "px", height: this.options.contentsHeight + "px"});	
			if(this.center.clientHeight != this.contents.offsetHeight) {
				this.fx.resize.custom({height: [this.center.clientHeight, this.contents.offsetHeight]});
				break;
			}
			this.step++;

					
		case 2:
			if(this.center.clientWidth != this.contents.offsetWidth) {
				this.fx.resize.custom({width: [this.center.clientWidth, this.contents.offsetWidth], marginLeft: [-this.center.clientWidth/2, -this.contents.offsetWidth/2]});
				break;
			}
			this.step++;
		
		case 3:
			this.bottom.setStyles({top: (this.top + this.center.clientHeight)+'px', width: this.contents.style.width, marginLeft: this.center.style.marginLeft, display: ''});
			this.fx.contents.custom(0,1);
			break;
		
		case 4:
			if(this.options.animateCaption) {
				this.fx.bottom.custom({opacity: [0, 1], height: [0, this.bottom.scrollHeight]});
				break;
			}
			this.bottom.setStyles({opacity: '1', height: this.bottom.scrollHeight+'px'});

		case 5:
			this.step = 0;
		}
	},
	
	
	keyboardListener: function(event) {
		// close the MOOdalBox when the user presses CTRL + W, CTRL + X, ESC
		if ((event.control && event.key == 'w') || (event.control && event.key == 'x') || (event.key == 'esc')) {
			this.close();
			event.stop();
		}		
	},
	
	close: function() {
		if(this.step < 0) return;
		this.step = -1;
		for(var f in this.fx) this.fx[f].clearTimer();
		this.center.style.display = this.bottom.style.display = 'none';
		this.center.className = 'mb_loading';
		this.fx.overlay.chain(this.setup.pass(false, this)).custom(0);
		return false;
	},
	sendmail: function() {
		
		this.options.gb_errflag=true;
		if($("tgb_name").value==''){
			this.options.gb_errflag=true;
			this.setMsg($('tgb_name'), '姓名不能为空!');
			return false;
		}else{
			this.options.gb_errflag=false;
			this.clearMsg($('tgb_name'));
		}

		var regEmail = /^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/;
		if($("tgb_email").value.toUpperCase().match(regEmail)){
			this.options.gb_errflag=false;
			this.clearMsg($('tgb_email'));	
		}else{
			this.options.gb_errflag=true;
			this.setMsg($('tgb_email'), '电子邮件格式错误!');
			return false;
		}		

		if($("tgb_message").value.length<5){
			this.options.gb_errflag=true;
			this.setMsg($('tgb_message'), '内容不能少于5字!');
			return false;
		}else{
			this.options.gb_errflag=false;
			this.clearMsg($('tgb_message'));
		}
		//this.center.setStyles({width: this.options.initialWidth+'px', height: '10px'});	
		//this.contents.setStyles({width: this.options.initialWidth+'px', height: '10px'});			
		//this.bottom.setStyles({opacity: '0', height: '0px', display: 'none'});
		this.center.className = 'mb_loading';
		var url='send.php';
        var postData=$("postMessage").toQueryString();
		$('send').setHTML('正在想客服提交邮件,大约需要3~6秒时间,请稍候...');
		$('send').className = 'mb_loading';
        new Ajax(url,{method:'post',postBody:postData,onComplete:function(){
			$('send').className = '';
            $('send').innerHTML = '<div style="margin-top:190px">'+this.response.text+"</div>";
            }
        }).request();
	},

	setMsg: function(el, msg){
		if(msg == undefined){
			msg = el.title;
		}
		$(el.parentNode).addClass('gb_erritem');
		$("gb_errmsg").setHTML(msg);
	},
	
	clearMsg: function(el){
		$(el.parentNode).removeClass("gb_erritem");
		if(!this.options.gb_errflag){
		$("gb_errmsg").setHTML("");
		}
	}
		
};

function csendmail(){
		if($("cgb_name").value==''){
			$($("cgb_name").parentNode).addClass('gb_erritem');
			$("cErrmsg").setHTML('称呼不能为空!');
			return false;
		}else{
			$($("cgb_name").parentNode).removeClass('gb_erritem');		
		}


		var regEmail = /^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/;
		if($("cgb_email").value.toUpperCase().match(regEmail)){
			$($("cgb_email").parentNode).removeClass('gb_erritem');		
		}else{
			$($("cgb_email").parentNode).addClass('gb_erritem');
			$("cErrmsg").setHTML('电子邮件格式错误!');
			return false;
		}		

		if($("cgb_message").value.length<5){
			$($("cgb_message").parentNode).addClass('gb_erritem');
			$("cErrmsg").setHTML('内容不能少于5字!');
			return false;
		}else{
			$($("cgb_message").parentNode).removeClass('gb_erritem');		
		}
		var url='send.php';
        var postData=$("cpostMessage").toQueryString();
			$('contact').setHTML('提交中,大约需要3~6秒时间,请稍等.');;
			$('contact').addClass('mb_loading');
			$('contact').setStyles({'padding-top': '250px','padding-bottom':'200px','text-align':'center'});

        new Ajax(url,{method:'post',postBody:postData,onComplete:function(){
			$('contact').setHTML(this.response.text);
			$('contact').removeClass('mb_loading');
            }
        }).request();
}
// startup
Window.onDomReady(MOOdalBox.init.bind(MOOdalBox));