$(function() { 

	$("#data_admissao, #data_demissao").datepicker({
	  dateFormat: "dd/mm/yy",
	  showOn: "both",
	  buttonImage: "img/calendar.gif",
	  buttonImageOnly: true
	});

	//if(!field_data) var field_data = "#data";   
	$("#data").datepicker({
		dateFormat: "dd/mm/yy",
		showOn: "both",
		buttonImage: "img/calendar.gif",
		buttonImageOnly: true,
		beforeShowDay: closeDay, 
		onSelect: ajaxHorario('')
	});
    function closeDay(date){
        if (date.getDay()==0 || date.getDay()==6)
        	return $.datepicker.noWeekends;
        else if (date.getDay()==5)  /* sextas | pode-se desabilitar fds também e remover o if anterior) */
        	return [false];
        else
        	return [true];
    }	
	function ajaxHorario(url) {
        jQuery('#hora').attr('disabled', 'disabled');
        jQuery('#status_hora').html('carregando...');
        jQuery('#status_hora').removeAttr('class');
        data = $("#data").val();
		$.ajax({			
			url: 'ajax.horario.php?data='+data+url,
			type: 'GET',
			async: true, // precisa ser true
			context: jQuery('#retorno-horario'),
			success: function(data){
				jQuery('#retorno-horario').html(data);
                jQuery('#status_hora').html('');
                if($("#data").val()) {
                	jQuery('#hora').removeAttr('disabled');
                }
			}
		});   
	}	
	ajaxHorario('');
		
	$("#data").change(function() {
		ajaxHorario(''); // parametro vazio
	});
});