for(var c=0; c<=6; c++){
    var th = document.createElement('th');
    th.innerHTML = "MTWTFSS"[c];
    tr.appendChild(th);
}
table.appendChild(tr);

//create 2nd row
tr = document.createElement('tr');
var c;
for(c=0; c<=6; c++){
    if(c == day_no){
        break;
    }
    var td = document.createElement('td');
    td.innerHTML = "";
    tr.appendChild(td);
}

var count = 1;
for(; c<=6; c++){
    var td = document.createElement('td');
    td.innerHTML = count;
    count++;
    tr.appendChild(td);
}
table.appendChild(tr);

//rest of the date rows
for(var r=3; r<=7; r++){
    tr = document.createElement('tr');
    for(var c=0; c<=6; c++){
        if(count > days){
            table.appendChild(tr);
            return table;
        }
        var td = document.createElement('td');
        td.innerHTML = count;
        count++;
        tr.appendChild(td);
    }
    table.appendChild(tr);
}
return table;