//Values here are all defaults, and can be overridden
var l_mon   = new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
var l_days  = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var l_len  = new Array(2, 3, 4);
var l_yearbreak = 75;
var m_pos = 1;
var d_pos = 0;
var y_pos = 2;
var delim = "-";
var m_type = "C";
var NLSformat = "DD.MM.RRRR";
var numericDate = 0;
var today = new Date();
var day   = today.getDate();
var month = today.getMonth();
var year  = today.getFullYear();
var closeOnPick=true;
Calwindow = new Object;
Calwindow.closed=true;
var calwidth=220;
var calheight=183;
var calfile=  "/calendar_h.htm";
var calWindowTitle = "Выберите дату";
var dateErrorMsg = "Дата введена некорректно";
var image_dir= '/img/';

function formatdate (P_Day, P_Month, P_Year, P_Dateformat) {
//This function returns the formatted output when fed the parts of the date.
//It relies on the presence of the same global javascript variables used by the
//evalNLS function.  It also assumes valid date components (as coming from the calendar)
  var temp = new Array('','','');
  var l_splitstr='';
  if (P_Dateformat) evalNLS (P_Dateformat);
  if (m_type == "C") P_Month=l_mon[parseFloat(P_Month)-1];
  temp[d_pos] = P_Day;
  temp[m_pos] = P_Month;
  temp[y_pos] = P_Year;
  l_splitstr=temp[0]+delim+temp[1]+delim+temp[2];

  return l_splitstr;
}

function getCurrentDate(date) {
  var m = today.getMonth()+1;
  if(date.value=='') {
    date.value=formatdate(day,(m< 10)?'0'+m:m,year,'DD.MM.RRRR');
  }
}

//Accepts the NLS format string and populates the variables necessary to apply it.
function evalNLS (P_Dateformat) {
  if (P_Dateformat) { NLSformat = P_Dateformat; }

  m_pos=NLSformat.indexOf('MON');
  m_type="C";
  l_len[1]=3;
   if (m_pos < 0) { m_pos=NLSformat.indexOf('MM');  m_type="N"; l_len[1]=2;}
  d_pos=NLSformat.indexOf('DD');
  y_pos=NLSformat.indexOf('RRRR');
  if (m_pos!=0) delim=NLSformat.charAt(m_pos - 1);
    else delim = NLSformat.charAt(d_pos - 1);
  if (m_pos > 5) m_pos=2; else if (m_pos < 3) m_pos=0; else m_pos=1;
  if (d_pos > 5) d_pos=2; else if (d_pos < 3) d_pos=0; else d_pos=1;
  if (y_pos > 5) y_pos=2; else if (y_pos < 3) y_pos=0; else y_pos=1;
}

//Returns an alert if the date entered is in error.  This should be an official alert.
//If the date is OK, then the date string will be passed to an optionally included
//function which is custom written by the developer.
function checkForError (P_date, P_func)
{
  if (P_date.value.indexOf('?') != -1)
  {
    if (dateErrorMsg != null) alert(dateErrorMsg);
    P_date.focus();
  } else
  {
    if (P_func) P_func(P_date.value,P_date.numericDate);
  }
}
//Performs same function as checkForError above, but expects only a date string.  This is
//necessary to do separately because of the way javascript treats the object reference.
function dateError (P_date, P_hide_Error)
{
  if (P_date.indexOf('?') != -1)
  {
    if (P_hide_Error) { }
    else
    {
      if (dateErrorMsg != null) alert(dateErrorMsg);
    }
    return false;
  }
  return true;
}


//Required to open and control the calendar
function opencal(fieldobj,func) {
  if((fieldobj) && (!fieldobj.disabled)) {
    evalNLS(NLSformat);
    var openleft=10;
    var opentop=10;
    if (Calwindow.close && !Calwindow.closed) {
    // don't position calendar if already open
      var attr = "resizable=no,width=" + calwidth + ",height=" + calheight; }
    else {
    if (Nav4) {
    // center on the main window
      openleft = parseInt(window.screenX + ((window.outerWidth - calwidth)-450 ),10);
      opentop = parseInt(window.screenY + ((window.outerHeight - calheight)-450),10);
      var attr = "screenX=" + openleft + ",screenY=" + opentop;
      attr += ",resizable=no,width=" + calwidth + ",height=" + calheight; }
    else {
    // best we can do is center in screen
      openleft = parseInt(((screen.width - calwidth)-450 ),10);
      opentop = parseInt(((screen.height - calheight)-450 ),10);

      var attr = "left=" + openleft + ",top=" + opentop;
      attr += ",resizable=no,width=" + calwidth + ",height=" + calheight; }
     }
    Calwindow=open(calfile, 'Calendar', attr)
    Calwindow.location.href=calfile;
    Calwindow.opener = window;
    window.fillfield = fieldobj;
    if (func) {window.afterfunc = func}
    if (Calwindow.opener == null) {
      Calwindow.opener = self;
    }
  }
}

function closecal() {
  if (Calwindow.close && !Calwindow.closed) {
    delete window.afterfunc;
    delete window.fillfield;
    Calwindow.close();
  }
}

//this is yuor function
function distribute() {
//   alert("This is yuor function")
}

// open calendar
function openCalendar(form, field){
    opencal(document.forms[form].elements[field]);
}