var x=new Array(4); function sample(){ for(s=0;s<40;s++){ x[s]=new Array(); } x[0][0]="year"; x[0][1]="sale"; x[0][2]="exp"; for(s=1;s<40;s++){ x[s][0]="aa"+s; x[s][1]=200+s; x[s][2]=100+5*s; } } google.load("visualization", "1", {packages:["corechart"]}); function pic() { sample(); var data =google.visualization.arrayToDataTable(x); var op = {title: 'ABC'}; var chart = new google.visualization.LineChart(document.getElementById('memo')); chart.draw(data, op); }