var FH = Class.create();
FH.prototype =
{
	initialize: function(add_block, saveStatus )
	{
		this.add_block = $(add_block);
		this.submit_btn = this.add_block.down('input.submit');

		this.saveStatus = $(saveStatus);
		this.saveStatus.addClassName('hidden');
		this.loading_html = '<img src="images/site/loader.gif" alt="loading..." title="loading..." border="0"/> loading...';

		this.form = this.add_block.down('form');
		if( !this.form ) return false;

		this.form.onsubmit = function(){ return false; };

		this.inputs = $A( this.form.getElementsByClassName('inp') );
		if( !this.inputs.length ) return false;

		for( i=0; i<this.inputs.length; i++ )
		{
			this.inputs[i].value = this.inputs[i].title;
			this.inputs[i].setStyle({ color: '#BBBBBB' });
			Event.observe( this.inputs[i], 'focus', Focus.bind(this, this.inputs[i]) );
			Event.observe( this.inputs[i], 'blur', Blur.bind(this, this.inputs[i]) );
		}

		Event.observe( this.submit_btn, 'click', this._submit.bind(this) );

		this.IE = ( navigator.userAgent.indexOf('MSIE') != -1 ) ? true : false;
	},

	_submit: function()
	{
		this.saveStatus.addClassName('hidden');

		this.mandatoryes = $A( this.form.getElementsByClassName('inp') );
		if( !(this.mandatoryes && this.mandatoryes.length) ) return false;

		for( i=0; i<this.mandatoryes.length; i++ )
		{
			this.mandatoryes[i].setStyle({ border: '1px solid #9a9a9a' });
			if( this.mandatoryes[i].value.strip() == '' || this.mandatoryes[i].value.strip() == this.mandatoryes[i].title || this.mandatoryes[i].value.strip() == '0' )
			{
				this.saveStatus.update('Введите обязательное поле "'+this.mandatoryes[i].title+'"');
				this.saveStatus.removeClassName('hidden');
				this.mandatoryes[i].setStyle({ border: '2px solid red' }).focus();
				return false;
			}
			if(this.mandatoryes[i].name == 'user_mail' && !checkMail(this.mandatoryes[i]))
			{
				this.saveStatus.update('Неправильный формат "E-mail"');
				this.saveStatus.removeClassName('hidden');
				this.mandatoryes[i].setStyle({ border: '2px solid red' }).focus();
				return false;
			}
		}

		this.saveStatus.update('');
		this.send();
		//this.form.submit();
	},

	send: function()
	{
		this.loading(true);
		this.action = 'send_question';
		this.request = new Ajax.Request
		(
			this.action,
			{
				method: 'post',
				parameters: this.form.serialize(),
				onComplete: this.sendComplete.bind(this)
			}
		);
	},

	sendComplete: function()
	{
		//this.loading(false);
		this.result = this.request.transport.responseText;
		this.add_block.update(this.result).setStyle({ padding: '40px', border: '2px solid #DFDFDF', textAlign: 'center', fontWeight: 'bold' });;
	},

	loading: function(show)
	{
		if(show)
		{
			this.saveStatus.update(this.loading_html).removeClassName('hidden');
		}
		else
		{
			this.saveStatus.update().addClassName('hidden');
		}
	}
}