var weekend = [5,6];
var weekendColor = "#e0e0e0";
var fontface = "Verdana, Arial, sans-serif";
var fontsize = 2;

/**
 * Call back method.
 * Called in the context of parent window when
 *  the date is picked.
 * @param sFormAndFieldName Field name 'form_name.field_name'
 * @param sValue Picked date value correctly formated.
 */
function datePicked(sFormAndFieldName, sValue)
{
  var aFormAndField = sFormAndFieldName.split('.');
  var sForm = aFormAndField[0];
  var sField = aFormAndField[1];
  if( document[sForm][sField].disabled )
  {
    return;
  }
  document[sForm][sField].value = sValue;
  document[sForm][sField].select();
  // IE
  if(document[sForm][sField].onchange != null)
    document[sForm][sField].onchange();
  // Mozilla
  if(document[sForm][sField].onChange != null)
    document[sForm][sField].onChange();
}

var ggWinCal;
isNav = (navigator.appName.indexOf("Netscape") != -1) ? true : false;
isIE = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;

Calendar.Months = ["Janvier", "Février", "Mars", "Avril", "Mai", "Juin", "Juillet", "Août", "Septembre", "Octobre", "Novembre", "Décembre"];

// Non-Leap year Month days..
Calendar.DOMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
// Leap year Month days..
Calendar.lDOMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

function Calendar(p_item, p_WinCal, p_month, p_year, p_format) {
  if ((p_month == null) && (p_year == null))	return;

  if (p_WinCal == null)
    this.gWinCal = ggWinCal;
  else
    this.gWinCal = p_WinCal;

  if (p_month == null) {
    this.gMonthName = null;
    this.gMonth = null;
    this.gYearly = true;
  } else {
    this.gMonthName = Calendar.get_month(p_month);
    this.gMonth = new Number(p_month);
    this.gYearly = false;
  }

  this.gYear = p_year;
  this.gFormat = p_format;
  this.gBGColor = "white";
  this.gFGColor = "black";
  this.gTextColor = "black";
  this.gHeaderColor = "black";
  this.gReturnItem = p_item;
}

Calendar.get_month = Calendar_get_month;
Calendar.get_daysofmonth = Calendar_get_daysofmonth;
Calendar.calc_month_year = Calendar_calc_month_year;
Calendar.print = Calendar_print;

function Calendar_get_month(monthNo) {
  return Calendar.Months[monthNo];
}

function Calendar_get_daysofmonth(monthNo, p_year) {
  /*
    Check for leap year ..
    1.Years evenly divisible by four are normally leap years, except for...
    2.Years also evenly divisible by 100 are not leap years, except for...
    3.Years also evenly divisible by 400 are leap years.
  */
  if ((p_year % 4) == 0) {
    if ((p_year % 100) == 0 && (p_year % 400) != 0)
      return Calendar.DOMonth[monthNo];

    return Calendar.lDOMonth[monthNo];
  } else
    return Calendar.DOMonth[monthNo];
}

function Calendar_calc_month_year(p_Month, p_Year, incr) {
  /*
    Will return an 1-D array with 1st element being the calculated month
    and second being the calculated year
    after applying the month increment/decrement as specified by 'incr' parameter.
    'incr' will normally have 1/-1 to navigate thru the months.
  */
  var ret_arr = new Array();

  if (incr == -1) {
    // B A C K W A R D
    if (p_Month == 0) {
      ret_arr[0] = 11;
      ret_arr[1] = parseInt(p_Year) - 1;
    }
    else {
      ret_arr[0] = parseInt(p_Month) - 1;
      ret_arr[1] = parseInt(p_Year);
    }
  } else if (incr == 1) {
    // F O R W A R D
    if (p_Month == 11) {
      ret_arr[0] = 0;
      ret_arr[1] = parseInt(p_Year) + 1;
    }
    else {
      ret_arr[0] = parseInt(p_Month) + 1;
      ret_arr[1] = parseInt(p_Year);
    }
  }

  return ret_arr;
}


function Calendar_print() {
  //	ggWinCal.print();
}


function Calendar_calc_month_year(p_Month, p_Year, incr) {
  /*
    Will return an 1-D array with 1st element being the calculated month
    and second being the calculated year
    after applying the month increment/decrement as specified by 'incr' parameter.
    'incr' will normally have 1/-1 to navigate thru the months.
  */
  var ret_arr = new Array();

  if (incr == -1) {
    // B A C K W A R D
    if (p_Month == 0) {
      ret_arr[0] = 11;
      ret_arr[1] = parseInt(p_Year) - 1;
    }
    else {
      ret_arr[0] = parseInt(p_Month) - 1;
      ret_arr[1] = parseInt(p_Year);
    }
  } else if (incr == 1) {
    // F O R W A R D
    if (p_Month == 11) {
      ret_arr[0] = 0;
      ret_arr[1] = parseInt(p_Year) + 1;
    }
    else {
      ret_arr[0] = parseInt(p_Month) + 1;
      ret_arr[1] = parseInt(p_Year);
    }
  }

  return ret_arr;
}

// This is for compatibility with Navigator 3, we have to create and discard one object before the prototype object exists.
//new Calendar();

Calendar.prototype.getMonthlyCalendarCode = function() {
  var vCode = "";
  var vHeader_Code = "";
  var vData_Code = "";

  // Begin Table Drawing code here..
  vCode = vCode + "<TABLE BORDER=\"0\" CELLSPACING=\"2\" BGCOLOR=\"" + this.gBGColor + "\">";

  vHeader_Code = this.cal_header();
  vData_Code = this.cal_data();
  vCode = vCode + vHeader_Code + vData_Code;

  vCode = vCode + "</TABLE>";

  return vCode;
}

Calendar.prototype.show = function() {
  var vCode = "";

  this.gWinCal.document.open();

  // Setup the page...
  this.wwrite("<html>");
  this.wwrite("<head><title>Calendrier</title>");
  this.wwrite("<link href=\"" + g_sSkinDirectory + "/style/global.css\" rel=\"stylesheet\" type=\"text/css\">");
  this.wwrite("</head>");

  this.wwrite("<body " +
              "link=\"" + this.gLinkColor + "\" " +
              "vlink=\"" + this.gLinkColor + "\" " +
              "alink=\"" + this.gLinkColor + "\" " +
              "text=\"" + this.gTextColor + "\">");
  this.wwriteA("<center><FONT FACE='" + fontface + "' SIZE=2><B>");
  this.wwriteA(this.gMonthName + " " + this.gYear);
  this.wwriteA("</B></center><BR>");

  // Show navigation buttons
  var prevMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, -1);
  var prevMM = prevMMYYYY[0];
  var prevYYYY = prevMMYYYY[1];

  var nextMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, 1);
  var nextMM = nextMMYYYY[0];
  var nextYYYY = nextMMYYYY[1];

  this.wwrite("<TABLE WIDTH='100%' BORDER='0' CELLSPACING='2' CELLPADDING=0><TR class=\"listrow1\"><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
              "javascript:window.opener.Build(" +
              "'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)-1) + "', '" + this.gFormat + "'" +
              ");" +
              "\" title=\"Année précédente\"><<<\/A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
              "javascript:window.opener.Build(" +
              "'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY + "', '" + this.gFormat + "'" +
              ");" +
              "\" title=\"Mois précédent\"><<\/A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
              "javascript:window.opener.Build(" +
              "'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +
              ");" +
              "\" title=\"Mois suivant\">><\/A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
              "javascript:window.opener.Build(" +
              "'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)+1) + "', '" + this.gFormat + "'" +
              ");" +
              "\" title=\"Année suivante\">>><\/A>]</TD></TR></TABLE><BR>");

  // Get the complete calendar code for the month..
  vCode = this.getMonthlyCalendarCode();
  this.wwrite(vCode);

  this.wwrite("</font></body></html>");
  this.gWinCal.document.close();
}

Calendar.prototype.wwrite = function(wtext) {
  this.gWinCal.document.writeln(wtext);
}

Calendar.prototype.wwriteA = function(wtext) {
  this.gWinCal.document.write(wtext);
}

Calendar.prototype.cal_header = function() {
  var vCode = "";

  vCode = vCode + "<TR>";
  vCode = vCode + "<TD WIDTH='14%' class=\"titlerow\">Lun</TD>";
  vCode = vCode + "<TD WIDTH='14%' class=\"titlerow\">Mar</TD>";
  vCode = vCode + "<TD WIDTH='14%' class=\"titlerow\">Mer</TD>";
  vCode = vCode + "<TD WIDTH='14%' class=\"titlerow\">Jeu</TD>";
  vCode = vCode + "<TD WIDTH='14%' class=\"titlerow\">Ven</TD>";
  vCode = vCode + "<TD WIDTH='14%' class=\"titlerow\">Sam</TD>";
  vCode = vCode + "<TD WIDTH='14%' class=\"titlerow\">Dim</TD>";
  vCode = vCode + "</TR>";

  return vCode;
}

Calendar.prototype.cal_data = function() {
  var vDate = getCurrentDate();
  vDate.setDate(1);
  vDate.setMonth(this.gMonth);
  vDate.setFullYear(this.gYear);

  var vFirstDay = (vDate.getDay() + 6) % 7;

  var vDay = 1;
  var vLastDay = Calendar.get_daysofmonth(this.gMonth, this.gYear);
  var vOnLastDay = 0;
  var vCode = "";

  /*
    Get day for the 1st of the requested month/year..
    Place as many blank cells before the 1st day of the month as necessary.
  */

  vCode = vCode + "<TR>";
  for (i=0; i<vFirstDay; i++) {
    vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(i) + ">&nbsp;</TD>";
  }

  // Write rest of the 1st week
  for (j=vFirstDay; j<7; j++) {
    vCode = vCode + "<TD CLASS='"+this.getCellClass(vDay)+"' WIDTH='14%'" + this.write_weekend_string(j) + ">" +
      "<A HREF='#' onClick=\"self.opener.datePicked('"+this.gReturnItem+"','"+this.format_data(vDay)+"');window.close();\">" + vDay + "</A></TD>";
    vDay=vDay + 1;
  }
  vCode = vCode + "</TR>";

  // Write the rest of the weeks
  for (k=2; k<7; k++) {
    vCode = vCode + "<TR>";

    for (j=0; j<7; j++) {
      vCode = vCode + "<TD CLASS='"+this.getCellClass(vDay)+"' WIDTH='14%'" + this.write_weekend_string(j) + ">" +
      "<A HREF='#' onClick=\"self.opener.datePicked('"+this.gReturnItem+"','"+this.format_data(vDay)+"');window.close();\">" + vDay + "</A></TD>";
      vDay=vDay + 1;

      if (vDay > vLastDay) {
        vOnLastDay = 1;
        break;
      }
    }

    if (j == 6)
      vCode = vCode + "</TR>";
    if (vOnLastDay == 1)
      break;
  }

  // Fill up the rest of last week with proper blanks, so that we get proper square blocks
  for (m=1; m<(7-j); m++) {
    if (this.gYearly)
      vCode = vCode + "<TD CLASS='unavailable_day' WIDTH='14%'" + this.write_weekend_string(j+m) +
        "> </TD>";
    else
      vCode = vCode + "<TD CLASS='unavailable_day' WIDTH='14%'" + this.write_weekend_string(j+m) +
        ">" + m + "</TD>";
  }

  return vCode;
}

Calendar.prototype.format_day = function(vday) {
  var pNow = getCurrentDate();
  var vNowDay = pNow.getDate();
  var vNowMonth = pNow.getMonth();
  var vNowYear = pNow.getFullYear();

  if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)
    return ("<FONT COLOR=\"RED\"><B>" + vday + "</B></FONT>");
  else
    return (vday);
}

Calendar.prototype.getCellClass = function(vday) {
  var pNow = getCurrentDate();
  var vNowDay = pNow.getDate();
  var vNowMonth = pNow.getMonth();
  var vNowYear = pNow.getFullYear();

  if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)
    return ("current_day");
  else
    return ("regular_day");
}

Calendar.prototype.write_weekend_string = function(vday) {
  var i;

  // Return special formatting for the weekend day.
  for (i=0; i<weekend.length; i++) {
    if (vday == weekend[i])
      return (" BGCOLOR=\"" + weekendColor + "\"");
  }

  return "";
}

Calendar.prototype.format_data = function(p_day) {
  var vData;
  var vMonth = 1 + this.gMonth;
  vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;
  //	var vMon = Calendar.get_month(this.gMonth).substr(0,3).toUpperCase();
  //	var vFMon = Calendar.get_month(this.gMonth).toUpperCase();
  var vY4 = new String(this.gYear);
  //	var vY2 = new String(this.gYear.substr(2,2));
  var vDD = (p_day.toString().length < 2) ? "0" + p_day : p_day;

    switch (this.gFormat) {
    case "MM\/DD\/YYYY" :
    vData = vMonth + "\/" + vDD + "\/" + vY4;
    break;
    case "MM\/DD\/YY" :
    vData = vMonth + "\/" + vDD + "\/" + vY2;
    break;
    case "MM-DD-YYYY" :
    vData = vMonth + "-" + vDD + "-" + vY4;
    break;
    case "MM-DD-YY" :
    vData = vMonth + "-" + vDD + "-" + vY2;
    break;

    case "DD\/MON\/YYYY" :
    vData = vDD + "\/" + vMon + "\/" + vY4;
    break;
    case "DD\/MON\/YY" :
    vData = vDD + "\/" + vMon + "\/" + vY2;
    break;
    case "DD-MON-YYYY" :
    vData = vDD + "-" + vMon + "-" + vY4;
    break;
    case "DD-MON-YY" :
    vData = vDD + "-" + vMon + "-" + vY2;
    break;

    case "DD\/MONTH\/YYYY" :
    vData = vDD + "\/" + vFMon + "\/" + vY4;
    break;
    case "DD\/MONTH\/YY" :
    vData = vDD + "\/" + vFMon + "\/" + vY2;
    break;
    case "DD-MONTH-YYYY" :
    vData = vDD + "-" + vFMon + "-" + vY4;
    break;
    case "DD-MONTH-YY" :
    vData = vDD + "-" + vFMon + "-" + vY2;
    break;

    case "DD\/MM\/YYYY" :
    vData = vDD + "\/" + vMonth + "\/" + vY4;
    break;
    case "DD\/MM\/YY" :
    vData = vDD + "\/" + vMonth + "\/" + vY2;
    break;
    case "DD-MM-YYYY" :
    vData = vDD + "-" + vMonth + "-" + vY4;
    break;
    case "DD-MM-YY" :
    vData = vDD + "-" + vMonth + "-" + vY2;
    break;

    case "YYYY-DD-MM" :
    vData = vY4 + "-" + vDD + "-" + vMonth;
    break;
    case "YYYY-MM-DD" :
    vData =  vY4 + "-" + vMonth + "-" + vDD;
    break;

    default :
      vData = vDD + "/" + vMonth + "/" + vY4;
    }

  return vData;
}

function Build(p_item, p_month, p_year, p_format) {
  var p_WinCal = ggWinCal;
  gCal = new Calendar(p_item, p_WinCal, p_month, p_year, p_format);

  // Customize your Calendar here..
  gCal.gBGColor="white";
  gCal.gLinkColor="black";
  gCal.gTextColor="black";
  gCal.gHeaderColor="black";

  // Choose appropriate show function
  if (gCal.gYearly)	gCal.showY();
  else	gCal.show();
}

function show_calendar() {
  /*
    p_month : 0-11 for Jan-Dec; 12 for All Months.
    p_year	: 4-digit year
    p_format: Date format (mm/dd/yyyy, dd/mm/yy, ...)
    p_item	: Return Item.
  */

  p_item = arguments[0];
  if (arguments[1] == null)
    p_month = new String(getCurrentDate().getMonth());
  else
    p_month = arguments[1];
  if (arguments[2] == "" || arguments[2] == null)
    p_year = new String(getCurrentDate().getFullYear().toString());
  else
    p_year = arguments[2];
  if (arguments[3] == null)
    p_format = "DD/MM/YYYY";
  else
    p_format = arguments[3];

  vWinCal = window.open("", "Calendrier",
                        "width=250,height=250,status=no,resizable=no,top=200,left=200");
  vWinCal.opener = self;
  ggWinCal = vWinCal;

  Build(p_item, p_month, p_year, p_format);
}
/*
  Yearly Calendar Code Starts here
*/
/*
  function show_yearly_calendar(p_item, p_year, p_format) {
  // Load the defaults..
  if (p_year == null || p_year == "")
  p_year = new String(getCurrentDate().getFullYear().toString());
  if (p_format == null || p_format == "")
  p_format = "DD/MM/YYYY";

  var vWinCal = window.open("", "Calendrier", "scrollbars=yes");
  vWinCal.opener = self;
  ggWinCal = vWinCal;

  Build(p_item, null, p_year, p_format);
  }

*/