function setCounterUpDown(textObj, UpDownFlag) // 1-Up, 2-Down
{
    if (UpDownFlag == 1) {
        var textValue = document.getElementById(textObj).value;

        if (document.getElementById(textObj).value == "")
            textValue = 0;

        if(textValue != 9)
            document.getElementById(textObj).value = parseInt(textValue, 10) + 1;
          
      getObj("txtNights").value   = document.getElementById(textObj).value  
            calculate_departuredate();
    }
    else {
        var textValue = document.getElementById(textObj).value;

        if (document.getElementById(textObj).value == "")
            textValue = 1;

        if(textValue != 1)
            document.getElementById(textObj).value = parseInt(textValue, 10) - 1;
            
              getObj("txtNights").value   = document.getElementById(textObj).value  
            calculate_departuredate();
    }
}