<!-- date-picker JS -->
<!-- Updated: 01/19/2006 CJG -->

var weekend = [0,6];
var gNow = new Date();
var ggWinCal;

Calendar.Months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];

// 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.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();
}

// 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..
  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("<!doctype html public \"-//w3c//dtd html 3.2//en\">");
  this.wwrite("<html>");
  this.wwrite("<head>");
  this.wwrite("  <title>Calendar</title>");
  this.wwrite("  <link href=\"http://www.redata.com/vp_graphics/css/win_ns.css\" rel=\"stylesheet\" type=\"text/css\" />");
  this.wwrite("</head>\n");
  this.wwrite("<body>");

  // 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=\"1\" cellspacing=\"1\" cellpadding=\"4\" bgcolor=\"#6699cc\">");
  this.wwrite("  <tr bgcolor=\"#ffffff\">");
  this.wwrite("    <td colspan=\"7\">");
  this.wwrite("      <table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
  this.wwrite("        <tr>");
  this.wwrite("          <td width=\"13%\" align=\"center\"><a href=\"javascript:window.opener.Build(" + "'" + this.gReturnItem + "','" + this.gMonth + "','" + (parseInt(this.gYear)-1) + "','" + this.gFormat + "'" + ");\" class=\"linklabelblack\">&lt;&lt;</a></td>");
  this.wwrite("          <td width=\"12%\" align=\"center\"><a href=\"javascript:window.opener.Build(" + "'" + this.gReturnItem + "','" + prevMM + "','" + prevYYYY + "','" + this.gFormat + "'" + ");\" class=\"linklabelblack\">&lt;</a></td>");
  this.wwrite("          <td width=\"50%\" align=\"center\"><span class=\"tableheader\">" + this.gMonthName + " " + this.gYear + "</span></td>");
  this.wwrite("          <td width=\"12%\" align=\"center\"><a href=\"javascript:window.opener.Build(" + "'" + this.gReturnItem + "','" + nextMM + "','" + nextYYYY + "','" + this.gFormat + "'" + ");\" class=\"linklabelblack\">&gt;</a></td>");
  this.wwrite("          <td width=\"13%\" align=\"center\"><a href=\"javascript:window.opener.Build(" + "'" + this.gReturnItem + "','" + this.gMonth + "','" + (parseInt(this.gYear)+1) + "','" + this.gFormat + "'" + ");\" class=\"linklabelblack\">&gt;&gt;</a></td>");
  this.wwrite("        </tr>");
  this.wwrite("      </table>");
  this.wwrite("    </td>");
  this.wwrite("  </tr>");
    
  // Get the complete calendar code for the month..
  vCode = this.getMonthlyCalendarCode();
  this.wwrite(vCode);
  
  this.wwrite("<p align=\"center\"><a href=\"javascript:window.resizeTo(850,570);window.opener.show_yearly_calendar(\'" + this.gReturnItem + "\'," + this.gYear + ");\" class=\"linklabelblack\">Click here to view full year</a></p>");
  this.wwrite("</body>");
  this.wwrite("</html>");
  
  this.gWinCal.document.close();
}

Calendar.prototype.showY = function() {
  var vCode = "";
  var i;
  this.gWinCal.document.open();

  // Setup the page
  this.wwrite("<!doctype html public \"-//w3c//dtd html 3.2//en\">");
  this.wwrite("<html>");
  this.wwrite("<head>");
  this.wwrite("  <title>Calendar</title>");
  this.wwrite("  <link href=\"http://www.redata.com/vp_graphics/css/win_ns.css\" rel=\"stylesheet\" type=\"text/css\" />");  
  this.wwrite("</head>\n");
  this.wwrite("<body>");

  // Show navigation buttons
  var prevYYYY = parseInt(this.gYear) - 1;
  var nextYYYY = parseInt(this.gYear) + 1;

  this.wwrite("<table width=\"100%\" border=\"1\" cellspacing=\"1\" cellpadding=\"4\" bgcolor=\"#6699cc\">");
  this.wwrite("  <tr bgcolor=\"#ffffff\">");
  this.wwrite("    <td colspan=\"3\">");
  this.wwrite("      <table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
  this.wwrite("        <tr>");
  this.wwrite("          <td width=\"25%\" align=\"left\"><a href=\"javascript:window.opener.Build(" + "'" + this.gReturnItem + "',null,'" + prevYYYY + "','" + this.gFormat + "'" + ");" + "\" class=\"linklabelblack\">&lt;&lt;</a></td>");
  this.wwrite("          <td width=\"50%\" align=\"center\"><span class=\"tableheader\">" + this.gYear + " Calendar Year</span><br/><a href=\"javascript:window.print();\" class=\"linklabelblack\">Print</a></td>");
  this.wwrite("          <td width=\"25%\" align=\"right\"><a href=\"javascript:window.opener.Build(" + "'" + this.gReturnItem + "',null,'" + nextYYYY + "','" + this.gFormat + "'" + ");" +"\" class=\"linklabelblack\">&gt;&gt;</a></td>");
  this.wwrite("        </tr>");
  this.wwrite("      </table>");
  this.wwrite("    </td>");
  this.wwrite("  </tr>");
  
  this.wwrite("  <tr bgcolor=\"#ffffff\">");
  this.wwrite("    <td>");
  this.wwrite("      <table width=\"100%\" border=\"0\" cellspacing=\"4\" cellpadding=\"4\">");
  
  // Get the complete calendar code for each month..
  var j;
  for (i=0; i<=11; i++) {    
    this.wwrite("        <tr bgcolor=\"#ffffff\">");
    
    for (j=i; j<i+3; j++) {
      this.wwrite("          <td align=\"center\" valign=\"top\">\n");
      
      this.gMonth = j;
      this.gMonthName = Calendar.get_month(this.gMonth);
      vCode = this.getMonthlyCalendarCode();
      
      this.wwrite("<table width=\"100%\" border=\"1\" cellspacing=\"1\" cellpadding=\"4\" bgcolor=\"#6699cc\">");
      this.wwrite("  <tr bgcolor=\"#ffffff\">");
      this.wwrite("    <td colspan=\"7\" align=\"center\"><span class=\"tableheader\">" + this.gMonthName + " " + this.gYear + "</span></td>");
      this.wwrite("  </tr>");
      this.wwrite(vCode);
      this.wwrite("          </td>");
    }
    i = j-1;
    this.wwrite("        </tr>");
    if (i!=11) {
      this.wwrite("        <tr>");
      this.wwrite("          <td colspan=\"3\">&nbsp;</td>");
      this.wwrite("        </tr>");
    }
  }
  this.wwrite("      </table>");
  this.wwrite("    </td>");
  this.wwrite("  </tr>");
  this.wwrite("</table>");
  this.wwrite("</body>");
  this.wwrite("</html>");
  this.gWinCal.document.close();
}

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

Calendar.prototype.cal_header = function() {
  var vCode = "";
  vCode = vCode + "  <tr bgcolor=\"#3366cc\">\n";
  vCode = vCode + "    <td width=\"15%\" align=\"center\"><span class=\"tablelabelwhite\">Sun</span></td>\n";
  vCode = vCode + "    <td width=\"14%\" align=\"center\"><span class=\"tablelabelwhite\">Mon</span></td>\n";
  vCode = vCode + "    <td width=\"14%\" align=\"center\"><span class=\"tablelabelwhite\">Tue</span></td>\n";
  vCode = vCode + "    <td width=\"14%\" align=\"center\"><span class=\"tablelabelwhite\">Wed</span></td>\n";
  vCode = vCode + "    <td width=\"14%\" align=\"center\"><span class=\"tablelabelwhite\">Thu</span></td>\n";
  vCode = vCode + "    <td width=\"14%\" align=\"center\"><span class=\"tablelabelwhite\">Fri</span></td>\n";
  vCode = vCode + "    <td width=\"15%\" align=\"center\"><span class=\"tablelabelwhite\">Sat</span></td>\n";
  vCode = vCode + "  </tr>\n";
  return vCode;
}

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

  var vFirstDay=vDate.getDay();
  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 bgcolor=\"#ffffff\">\n";
  for (i=0; i<vFirstDay; i++) {
    vCode = vCode + "    <td align=\"center\"" + this.write_weekend_string(i) + ">&nbsp;</td>\n";
  }

  // Write rest of the 1st week
  for (j=vFirstDay; j<7; j++) {
    vCode = vCode + "    <td align=\"center\"" + this.write_weekend_string(j) + ">" + 
    "<a href=\"javascript:self.opener.document." + this.gReturnItem + ".value='" + this.format_data(vDay) + "';window.close();\" " + this.format_day_style(vDay) + ">" + vDay + "</a></td>\n";
    vDay=vDay + 1;
  }
  vCode = vCode + "  </tr>\n";

  // Write the rest of the weeks
  for (k=2; k<7; k++) {
    vCode = vCode + "  <tr bgcolor=\"#ffffff\">\n";  
    for (j=0; j<7; j++) {
      vCode = vCode + "    <td align=\"center\"" + this.write_weekend_string(j) + ">" + 
      "<a href=\"javascript:self.opener.document." + this.gReturnItem + ".value='" + this.format_data(vDay) + "';window.close();\" " + this.format_day_style(vDay) + ">" + vDay + "</a></td>\n";
      vDay=vDay + 1;
      if (vDay > vLastDay) {
        vOnLastDay = 1;
        //alert("Entering breaking: "+ j);
        break;
      }
    }
    if (j == 7) {
      vCode = vCode + "  </tr>\n";
    }
    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 align=\"center\"" + this.write_weekend_string(j+m) + ">&nbsp;</td>\n";
    else
      vCode = vCode + "    <td align=\"center\"" + this.write_weekend_string(j+m) + "><span class=\"tablelabel\" style=\"color: gray;\">" + m + "</span></td>\n";
  }
  vCode = vCode + "  </tr>\n";
  return vCode;
}

Calendar.prototype.format_day_style = function(vday) {
  var vNowDay = gNow.getDate();
  var vNowMonth = gNow.getMonth();
  var vNowYear = gNow.getFullYear();
  if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)
    return ("class=\"linklabelred\"");
  else
    return ("class=\"linklabelblack\"");
}

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=\"#d3d3d3\"");
  }
  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;
    default :
      vData = vMonth + "\/" + vDD + "\/" + 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);

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

/*
Monthly Calendar Code Starts here
*/
function show_calendar() {
  /* 
  p_item	: Return Item.
  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 = arguments[0];
  if (arguments[1] == null) {
    p_month = new String(gNow.getMonth());
  } else {
    p_month = new String((arguments[1]-1).toString());
  }
  if (arguments[2] == "" || arguments[2] == null) {
    p_year = new String(gNow.getFullYear().toString());
  } else {
    p_year = new String(arguments[2].toString());
  }  
  if (arguments[3] == null) {
    p_format = "MM/DD/YYYY";
  } else {
    p_format = new String(arguments[3].toString());
  }

  vWinCal = window.open("", "Calendar", "width=350,height=270,scrollbars=yes,status=no,resizable=no,top=200,left=200");
  vWinCal.opener = self;
  ggWinCal = vWinCal;
  //alert("Item: " + p_item + "\nMonth: " + p_month + "\nYear: " + p_year + "\nFormat: " + p_format);
  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(gNow.getFullYear().toString());
  else
    p_year = new String(p_year.toString());
  if (p_format == null || p_format == "")
    p_format = "MM/DD/YYYY";

  var vWinCal = window.open("", "Calendar", "width=840,height=550,scrollbars=yes,status=no,resizable=no,top=200,left=200");  
  vWinCal.opener = self;
  ggWinCal = vWinCal;
  Build(p_item, null, p_year, p_format);
}