//tabs in tariff detail
$(function() {
  var tabContainers = $('#tabs-div > div > div');
  tabContainers.hide().filter(':first').show();
  $('#tabs-div ul#tabs a').click(function () {
		tabContainers.hide();
		tabContainers.filter(this.hash).show();
		$('#tabs-div ul#tabs li').removeClass('selected');
		$(this)[0].parentNode.className = 'selected';
		return false;
	}).filter(':first').click();
});

//check contact form
function check(language) {
	var field = new Array('jmeno', 'email', 'tel');
	var data_ok = true;

	for(i = 0; i < field.length; i++) {
		if(gid(field[i])) {

			if(gid(field[i]).value == '') {
				gid(field[i]).className = 'active';

				if(data_ok)
					gid(field[i]).focus();

				data_ok = false;
			}
			else
				gid(field[i]).className = '';
		}
	}

	if(!data_ok) {
		if(language == 'cs')
			alert('Vyplňte prosím všechna povinná pole');
		else if(language == 'sk')
			alert('Vypľňte prosím všetký povinné políčka!');

		return false;
	}

	return true;
}