var weekend1 = [0,6];
var weekendColor1 = "#e0e0e0";
var fontface1 = "Verdana";
var fontsize1 = 2;

var gNow1 = new Date();
var ggWinCal1;
isNav1 = (navigator.appName.indexOf("Netscape") != -1) ? true : false;
isIE1 = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;

Calendar1.Months = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"];

// Non-Leap year Month days..
Calendar1.DOMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
// Leap year Month days..
Calendar1.lDOMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

function Calendar1(p_item, p_WinCal, p_month, p_year, p_format)
{
          if ((p_month == null) && (p_year == null))  return;

          if (p_WinCal == null)
            this.gWinCal = ggWinCal1;
          else
            this.gWinCal = p_WinCal;

          if (p_month == null) {
            this.gMonthName = null;
            this.gMonth = null;
            this.gYearly = true;
          } else {
            this.gMonthName = Calendar1.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 = "navy";
          this.gTextColor = "black";
          this.gHeaderColor = "silver";
          this.gReturnItem = p_item;
}




Calendar1.get_month = Calendar_get_month1;
Calendar1.get_daysofmonth = Calendar_get_daysofmonth1;
Calendar1.calc_month_year = Calendar_calc_month_year1;
Calendar1.print = Calendar_print1;




function Calendar_get_month1(monthNo)
{
  return Calendar1.Months[monthNo];
}



function Calendar_get_daysofmonth1(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 Calendar1.DOMonth[monthNo];
  
    return Calendar1.lDOMonth[monthNo];
  } else
    return Calendar1.DOMonth[monthNo];
}





function Calendar_calc_month_year1(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_print1()
{
  ggWinCal1.print();
}




function Calendar_calc_month_year1(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 Calendar1();

Calendar1.prototype.getMonthlyCalendarCode = function()
{
  var vCode = "";
  var vHeader_Code = "";
  var vData_Code = "";
  
  // Begin Table Drawing code here..
  vCode = vCode + "<TABLE Align='center' BORDER=1 BGCOLOR=\"" + this.gBGColor + "\">";
  
  vHeader_Code = this.cal_header();
  vData_Code = this.cal_data();
  vCode = vCode + vHeader_Code + vData_Code;
  
  vCode = vCode + "</TABLE>";
  
  return vCode;
}





Calendar1.prototype.show = function()
{
  var vCode = "";
  
  this.gWinCal.document.open();

  // Setup the page...
  this.wwrite("<html>");
  this.wwrite("<head><title>Calendar</title>");
  this.wwrite("</head>");

  this.wwrite("<body " + 
    "link=\"" + this.gLinkColor + "\" " + 
    "vlink=\"" + this.gLinkColor + "\" " +
    "alink=\"" + this.gLinkColor + "\" " +
    "text=\"" + this.gTextColor + "\">");
  this.wwriteA("<FONT FACE='" + fontface1 + "' SIZE=2><B>");
  this.wwriteA(" " +this.gMonthName + this.gYear);
  this.wwriteA("</B><BR>");

  // Show navigation buttons
  var prevMMYYYY = Calendar1.calc_month_year(this.gMonth, this.gYear, -1);
  var prevMM = prevMMYYYY[0];
  var prevYYYY1 = prevMMYYYY[1];

  var nextMMYYYY1 = Calendar1.calc_month_year(this.gMonth, this.gYear, 1);
  var nextMM = nextMMYYYY1[0];
  var nextYYYY = nextMMYYYY1[1];
  
  this.wwrite("<TABLE WIDTH='100%' BORDER=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#e0e0e0'><TR><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
    "javascript:window.opener.Build1(" + 
    "'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)-1) + "', '" + this.gFormat + "'" +
    ");" +
    "\"><<<\/A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
    "javascript:window.opener.Build1(" + 
    "'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY1 + "', '" + this.gFormat + "'" +
    ");" +
    "\"><<\/A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"javascript:window.print();\">Print</A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
    "javascript:window.opener.Build1(" + 
    "'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +
    ");" +
    "\">><\/A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
    "javascript:window.opener.Build1(" + 
    "'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)+1) + "', '" + this.gFormat + "'" +
    ");" +
    "\">>><\/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();
}




Calendar1.prototype.showY = function()
{
  var vCode = "";
  var i;
  var vr, vc, vx, vy;   // Row, Column, X-coord, Y-coord
  var vxf = 285;      	// X-Factor
  var vyf = 200;      	// Y-Factor
  var vxm = 10;      	// X-margin
  var vym;        	// Y-margin
  if (isIE1)  vym = 75;
  else if (isNav1)  vym = 25;
  
  this.gWinCal.document.open();

  this.wwrite("<html>");
  this.wwrite("<head><title>Calendar</title>");
  this.wwrite("<style type='text/css'>\n<!--");
  for (i=0; i<12; i++) {
    vc = i % 3;
    if (i>=0 && i<= 2)  vr = 0;
    if (i>=3 && i<= 5)  vr = 1;
    if (i>=6 && i<= 8)  vr = 2;
    if (i>=9 && i<= 11)  vr = 3;
    
    vx = parseInt(vxf * vc) + vxm;
    vy = parseInt(vyf * vr) + vym;

    this.wwrite(".lclass" + i + " {position:absolute;top:" + vy + ";left:" + vx + ";}");
  }
  this.wwrite("-->\n</style>");
  this.wwrite("</head>");

  this.wwrite("<body " + 
    "link=\"" + this.gLinkColor + "\" " + 
    "vlink=\"" + this.gLinkColor + "\" " +
    "alink=\"" + this.gLinkColor + "\" " +
    "text=\"" + this.gTextColor + "\">");
  this.wwrite("<FONT FACE='" + fontface1 + "' SIZE=2><B>");
  this.wwrite("Year : " + this.gYear);
  this.wwrite("</B><BR>");

  // Show navigation buttons
  var prevYYYY1 = parseInt(this.gYear) - 1;
  var nextYYYY = parseInt(this.gYear) + 1;
  
  this.wwrite("<TABLE WIDTH='100%' BORDER=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#e0e0e0'><TR><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
    "javascript:window.opener.Build1(" + 
    "'" + this.gReturnItem + "', null, '" + prevYYYY1 + "', '" + this.gFormat + "'" +
    ");" +
    "\" alt='Prev Year'><<<\/A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"javascript:window.print();\">Print</A>]</TD><TD ALIGN=center>");
  this.wwrite("[<A HREF=\"" +
    "javascript:window.opener.Build1(" + 
    "'" + this.gReturnItem + "', null, '" + nextYYYY + "', '" + this.gFormat + "'" +
    ");" +
    "\">>><\/A>]</TD></TR></TABLE><BR>");

  // Get the complete calendar code for each month..
  var j;
  for (i=11; i>=0; i--) {
    if (isIE1)
      this.wwrite("<DIV ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");
    else if (isNav1)
      this.wwrite("<LAYER ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");

    this.gMonth = i;
    this.gMonthName = Calendar1.get_month(this.gMonth);
    vCode = this.getMonthlyCalendarCode();
    this.wwrite(this.gMonthName + "/" + this.gYear + "<BR>");
    this.wwrite(vCode);

    if (isIE1)
      this.wwrite("</DIV>");
    else if (isNav1)
      this.wwrite("</LAYER>");
  }

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



Calendar1.prototype.wwrite = function(wtext)
{
  this.gWinCal.document.writeln(wtext);
}



Calendar1.prototype.wwriteA = function(wtext)
{
  this.gWinCal.document.write(wtext);
}




Calendar1.prototype.cal_header = function()
{
  var vCode = "";
  
  vCode = vCode + "<TR>";
  vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='" + this.gHeaderColor + "'><B>Sun</B></FONT></TD>";
  vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='" + this.gHeaderColor + "'><B>Mon</B></FONT></TD>";
  vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='" + this.gHeaderColor + "'><B>Tue</B></FONT></TD>";
  vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='" + this.gHeaderColor + "'><B>Wed</B></FONT></TD>";
  vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='" + this.gHeaderColor + "'><B>Thu</B></FONT></TD>";
  vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='" + this.gHeaderColor + "'><B>Fri</B></FONT></TD>";
  vCode = vCode + "<TD WIDTH='16%'><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='" + this.gHeaderColor + "'><B>Sat</B></FONT></TD>";
  vCode = vCode + "</TR>";
  
  return vCode;
}




Calendar1.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=Calendar1.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) + "><FONT SIZE='2' FACE='" + fontface1 + "'> </FONT></TD>";
  }

  // Write rest of the 1st week
  for (j=vFirstDay; j<7; j++) {
    vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j) + "><FONT SIZE='2' FACE='" + fontface1 + "'>" + 
      "<A HREF='#' " + 
        "onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
        this.format_data(vDay) + 
        "';window.close();\">" + 
        this.format_day(vDay) + 
      "</A>" + 
      "</FONT></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 WIDTH='14%'" + this.write_weekend_string(j) + "><FONT SIZE='2' FACE='" + fontface1 + "'>" + 
        "<A HREF='#' " + 
          "onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
          this.format_data(vDay) + 
          "';window.close();\">" + 
        this.format_day(vDay) + 
        "</A>" + 
        "</FONT></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 WIDTH='14%'" + this.write_weekend_string(j+m) + 
      "><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='gray'> </FONT></TD>";
    else
      vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) + 
      "><FONT SIZE='2' FACE='" + fontface1 + "' COLOR='gray'>" + m + "</FONT></TD>";
  }
  
  return vCode;
}




Calendar1.prototype.format_day = function(vday)
{
  var vNowDay = gNow1.getDate();
  var vNowMonth = gNow1.getMonth();
  var vNowYear = gNow1.getFullYear();

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




Calendar1.prototype.write_weekend_string = function(vday)
{
  var i;

  // Return special formatting for the weekend day.
  for (i=0; i<weekend1.length; i++) {
    if (vday == weekend1[i])
      return (" BGCOLOR=\"" + weekendColor1 + "\"");
  }
  
  return "";
}




Calendar1.prototype.format_data = function(p_day)
{
  var vData;
  var vMonth = 1 + this.gMonth;
  vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;
  var vMon = Calendar1.get_month(this.gMonth).substr(0,3).toUpperCase();
  var vFMon = Calendar1.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 Build1(p_item, p_month, p_year, p_format)
{
  var p_WinCal = ggWinCal1;
  gCal = new Calendar1(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="darkgreen";

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





function show_calendar1()
{
  /* 
    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(gNow1.getMonth());
  else
    p_month = arguments[1];
  if (arguments[2] == "" || arguments[2] == null)
    p_year = new String(gNow1.getFullYear().toString());
  else
    p_year = arguments[2];
  if (arguments[3] == null)
    p_format = "MM/DD/YYYY";
  else
    p_format = arguments[3];

  vWinCal = window.open("", "Calendar", 
    "width=250,height=250,status=no,resizable=no,top=200,left=200");
  vWinCal.opener = self;
  ggWinCal1 = vWinCal;

  Build1(p_item, p_month, p_year, p_format);
}
/*
Yearly Calendar Code Starts here
*/


function show_yearly_calendar1(p_item, p_year, p_format)
{
  // Load the defaults..
  if (p_year == null || p_year == "")
    p_year = new String(gNow1.getFullYear().toString());
  if (p_format == null || p_format == "")
    p_format = "MM/DD/YYYY";

  var vWinCal = window.open("", "Calendar", "scrollbars=yes");
  vWinCal.opener = self;
  ggWinCal1 = vWinCal;

  Build1(p_item, null, p_year, p_format);
}