$("#nip").change(function(){
		// tampilkan animasi loading saat pengecekan ke database
	    $('#pesan').html(' <i class="fa fa-spinner fa-spin fa-2x fa-fw"></i> ');
	    var nip = $("#nip").val();

	    $.ajax({
			type:"POST",
			url:"../admin-app/admin-periksa-nip-app.php",
			data: "nip="+nip,
			success: function(data){
				if(data >= 1) {
				$("#pesan").html('<i class="fa fa-check fa-2x"></i>');
				    $('#nip').css('border', '3px #090 solid');
				}
				else {
				$("#pesan").html('<i class="fa fa-times digunakan fa-2x animated flash"></i> <span class="font-digunakan animated flash">NIP sudah digunakan!</span>');
				    $('#nip').css('border', '3px #C33 solid');
				    $("#nip").val('');
				}
			}
	    });
	});