function money(){
 var total=0;
 var day = document.wage.day.value;
 var num = document.wage.num.value;
 var month = document.wage.month.value;
 total = day * num * month * 2 * 0.3 * 120;
 total = total * 0.01;
 total = Math.round(total);
 total = Math.floor(total * 100);
 total = ostream(total);
 
 alert( "報酬は約"+ total + "円です!"); 
}

function ostream(x) {
    var s = "" + x;
    var p = s.indexOf(".");
    if (p < 0) {
        p = s.length;
    }
    var r = s.substring(p, s.length);
    for (var i = 0; i < p; i++) {
        var c = s.substring(p - 1 - i, p - 1 - i + 1);
        if (c < "0" || c > "9") {
            r = s.substring(0, p - i) + r;
            break;
        }
        if (i > 0 && i % 3 == 0){
            r = "," + r;
        }
        r = c + r;
    }
    return r;
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}