').css({top: y - 16,left: x + 20}).appendTo('body').fadeIn();}var previousPoint = null;$('#graph-lines, #graph-bars').bind('plothover', function (event, pos, item) {if (item) {if (previousPoint != item.dataIndex) {previousPoint = item.dataIndex;$('#tooltip').remove();var x = item.datapoint[0],y = item.datapoint[1];showTooltip(item.pageX, item.pageY, y + ' visitors at ' + x + '.00h');}} else {$('#tooltip').remove();previousPoint = null;}});});
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