function get_monthchr(Month) {
switch (Month){
case 1:
return "JAN";
break;
case 2:
return "FEB";
break;
case 3:
return "MAR";
break;
case 4:
return "APR";
break;
case 5:
return "MAY";
break;
case 6:
return "JUN";
break;
case 7:
return "JUL";
break;
case 8:
return "AUG";
break;
case 9:
return "SEP";
break;
case 10:
return "OCT";
break;
case 11:
return "NOV";
break;
case 12:
return "DEC";
break;
}
}