function sendRequest()
{
	var url = $('#search_form').attr( 'action' );

	var get_params = '';

	if ( $('#city_from').val() )
		get_params += (get_params ? '&' : '') + 'from=' + $('#city_from').val();

	if ( $('#city_to').val() )
		get_params += (get_params ? '&' : '') + 'to=' + $('#city_to').val();

	if ( !$('#city_from').val() || !$('#city_to').val() )
	{
		get_params += (get_params ? '&' : '') + 'city_name_from=' + $('#city_from_name').val();
		get_params += (get_params ? '&' : '') + 'city_name_to=' + $('#city_to_name').val();
	}

	preg = new RegExp('^[0-9]{2}\.[0-9]{2}\.[0-9]{4}$');

	//Если выбрано "Заказ авиабителов"
	if ( $('#tab').val() == 'online' )
	{
		get_params += (get_params ? '&' : '') + 'date_forward=' + $('#date_forward').val();
		
		if ( $('#id_two_ways').is(':checked') && preg.test( $('#date_back').val() ) )
			get_params += (get_params ? '&' : '') + 'date_back=' + $('#date_back').val();

		if ( $('#id_one_way').is(':checked') )
			get_params += (get_params ? '&' : '') + 'direction=' + $('#id_one_way').val();
		else if ( $('#id_two_ways').is(':checked') )
			get_params += (get_params ? '&' : '') + 'direction=' + $('#id_two_ways').val();

		get_params += (get_params ? '&' : '') + 'adults=' + $('#adults').val();
		get_params += (get_params ? '&' : '') + 'childs=' + $('#childs').val();
		get_params += (get_params ? '&' : '') + 'babys=' + $('#babys').val();
		get_params += (get_params ? '&' : '') + 'class=' + $('#class').val();
	}
	else
	{
		if ( preg.test( $('#date_forward').val() ) )
			get_params += (get_params ? '&' : '') + 'date_forward=' + $('#date_forward').val();
	}

	url = url + (get_params ? '?' + get_params : '');

	window.top.location = url;
}

function changeForm( name )
{
	if ( name == 'flights' )
	{
		$('#search_form').attr( 'action', avia_schedule_action );
		$('#tab').val( 'flights' );

		$('#td_head_left').css({ 'background-image': 'url(\'/images2/form/back_1.gif\')' });
		$('#td_head_left_center').css({ 'background-image': 'url(\'/images2/form/back.gif\')' });
		$('#td_head_right_center').css({ 'background-image': 'url(\'/images2/form/back_2_2_sel.gif\')' });
		$('#td_head_right').css({ 'background-image': 'url(\'/images2/form/back_3_sel.gif\')' });
		$('#ul_left_center').removeClass().addClass( 'heading1_form' );
		$('#ul_right_center').removeClass().addClass( 'heading1_form_inactive' );

		$('#form_col2').css({ 'display': 'none' });

		$('#block_date_back').css({ 'display': 'none' });
	}
	else if ( name == 'online' )
	{
		$('#search_form').attr( 'action', avia_order_action );
		$('#tab').val( 'online' );

		$('#td_head_left').css({ 'background-image': 'url(\'/images2/form/back_1_sel.gif\')' });
		$('#td_head_left_center').css({ 'background-image': 'url(\'/images2/form/back_sel.gif\')' });
		$('#td_head_right_center').css({ 'background-image': 'url(\'/images2/form/back_2_2.gif\')' });
		$('#td_head_right').css({ 'background-image': 'url(\'/images2/form/back_3.gif\')' });
		$('#ul_left_center').removeClass().addClass( 'heading1_form_inactive' );
		$('#ul_right_center').removeClass().addClass( 'heading1_form' );

		$('#form_col2').css({ 'display': '' });

		if ( $('#id_one_way').is(':checked') )
		{
			$('#block_date_back').css({ 'display': 'none' });
		}
		else
		{
			$('#block_date_back').css({ 'display': '' });
		}
	}
}

function showHideDateBack( display )
{
	if ( display )
	{
		$('#block_date_back').css({ 'display': '' });
		$('#id_two_ways').attr( 'checked', 'checked' );
	}
	else
	{
		$('#block_date_back').css({ 'display': 'none' });
		$('#id_one_way').attr( 'checked', 'checked' );

	}
}

function changeCitiesFields()
{
	var temp_code = $('#city_from').val();
	var temp_name = $('#city_from_name').val();

	$('#city_from').val( $('#city_to').val() );
	$('#city_from_name').val( $('#city_to_name').val() );
	$('#city_to').val( temp_code );
	$('#city_to_name').val( temp_name );
}