Updating data

var nReloads = 0;
var Mgraph = new Morris.Line({
	element:    "graph",
	data:       [],
	xkey:       "date",
	ykeys:      ['wama_1', 'wama_2'],
	labels:     ['Wama_1', 'Wama_2'],
	lineColors: ['#1111ff',' #ff1111'],
	pointSize:  ['0'],
	hideHover:  ['always'],
	smooth:     ['false']
});
function getdata()
{
	$.getJSON("data1.php?n=150", function(data)
	{
		Mgraph.setData(data);
		nReloads++; 
		$('#reloadStatus').text(nReloads + ' reloads');
		setTimeout(getdata,5000);
	});
}
getdata();