// *********************************************************
//     PhpMembersScript v2.0 Copyright 2009 PhpMembersScript.com
//     Stylesheet Layout V3.0 :: Original
//     Developer :: http://www.affiliatemark.com
//     Copyright :: 2009 Expiration :: 2019
// *********************************************************

var datePickerDivID = "datepicker";

var iFrameDivID = "datepickeriframe";

var dayArrayShort = new Array('Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa');

var dayArrayMed = new Array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat');

var dayArrayLong = new Array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');

var monthArrayShort = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');

var monthArrayMed = new Array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'June', 'July', 'Aug', 'Sept', 'Oct', 'Nov', 'Dec');

var monthArrayLong = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');

// these variables define the date formatting we're expecting and outputting.

// If you want to use a different format by default, change the defaultDateSeparator

// and defaultDateFormat variables either here or on your HTML page.

var defaultDateSeparator = "-";        // common values would be "/" or "."

var defaultDateFormat = "ymd"    // valid values are "mdy", "dmy", and "ymd"

var dateSeparator = defaultDateSeparator;

var dateFormat = defaultDateFormat;



function displayDatePicker(dateFieldName, displayBelowThisObject, dtFormat, dtSep)

{

  var targetDateField = document.getElementsByName (dateFieldName).item(0);

  // if we weren't told what node to display the datepicker beneath, just display it

  // beneath the date field we're updating

  if (!displayBelowThisObject)

    displayBelowThisObject = targetDateField;

  // if a date separator character was given, update the dateSeparator variable

  if (dtSep)

    dateSeparator = dtSep;

  else

    dateSeparator = defaultDateSeparator;

  // if a date format was given, update the dateFormat variable

  if (dtFormat)

    dateFormat = dtFormat;

  else

    dateFormat = defaultDateFormat;



  var x = displayBelowThisObject.offsetLeft;

  var y = displayBelowThisObject.offsetTop + displayBelowThisObject.offsetHeight ;

  // deal with elements inside tables and such

  var parent = displayBelowThisObject;

  while (parent.offsetParent) 

 {

    parent = parent.offsetParent;

    x += parent.offsetLeft;

    y += parent.offsetTop ;

  }

 drawDatePicker(targetDateField, x, y);

}



/**

Draw the datepicker object (which is just a table with calendar elements) at the

specified x and y coordinates, using the targetDateField object as the input tag

that will ultimately be populated with a date.

This function will normally be called by the displayDatePicker function.

*/

function drawDatePicker(targetDateField, x, y)

{

  var dt = getFieldDate(targetDateField.value );

  // the datepicker table will be drawn inside of a <div> with an ID defined by the

  // global datePickerDivID variable. If such a div doesn't yet exist on the HTML

  // document we're working with, add one.

  if (!document.getElementById(datePickerDivID)) 

{

    var newNode = document.createElement("div");

    newNode.setAttribute("id", datePickerDivID);

    newNode.setAttribute("class", "dpDiv");

    newNode.setAttribute("style", "visibility: hidden;");

    document.body.appendChild(newNode);

  }

  // move the datepicker div to the proper x,y coordinate and toggle the visiblity

  var pickerDiv = document.getElementById(datePickerDivID);

  pickerDiv.style.position = "absolute";

  pickerDiv.style.left = x + "px";

  pickerDiv.style.top = y + "px";

  pickerDiv.style.visibility = (pickerDiv.style.visibility == "visible" ? "hidden" : "visible");

  pickerDiv.style.display = (pickerDiv.style.display == "block" ? "none" : "block");

  pickerDiv.style.zIndex = 10000;

  // draw the datepicker table

  refreshDatePicker(targetDateField.name, dt.getFullYear(), dt.getMonth(), dt.getDate());

}

function refreshDatePicker(dateFieldName, year, month, day)

{

  // if no arguments are passed, use today's date; otherwise, month and year

  // are required (if a day is passed, it will be highlighted later)

  var thisDay = new Date();

  if ((month >= 0) && (year > 0)) 

 {

    thisDay = new Date(year, month, 1);

 } else 

 {

    day = thisDay.getDate();

    thisDay.setDate(1);

 }

  // the calendar will be drawn as a table

  // you can customize the table elements with a global CSS style sheet,

  // or by hardcoding style and formatting elements below

  var crlf = "\r\n";

  var TABLE = "<table cols=7 class='dpTable'>" + crlf;

  var xTABLE = "</table>" + crlf;

  var TR = "<tr class='dpTR'>";

  var TR_title = "<tr class='dpTitleTR'>";

  var TR_days = "<tr class='dpDayTR'>";

  var TR_todaybutton = "<tr class='dpTodayButtonTR'>";

  var xTR = "</tr>" + crlf;

  var TD = "<td class='dpTD' onMouseOut='this.className=\"dpTD\";' onMouseOver=' this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event

  var TD_title = "<td colspan=5 class='dpTitleTD'>";

  var TD_buttons = "<td class='dpButtonTD'>";

  var TD_todaybutton = "<td colspan=7 class='dpTodayButtonTD'>";

  var TD_days = "<td class='dpDayTD'>";

  var TD_selected = "<td class='dpDayHighlightTD' onMouseOut='this.className=\"dpDayHighlightTD\";' onMouseOver='this.className=\"dpTDHover\";' ";    // leave this tag open, because we'll be adding an onClick event

  var xTD = "</td>" + crlf;

  var DIV_title = "<div class='dpTitleText'>";

  var DIV_selected = "<div class='dpDayHighlight'>";  var xDIV = "</div>";

  // start generating the code for the calendar table

  var html = TABLE;

  // this is the title bar, which displays the month and the buttons to

  // go back to a previous month or forward to the next month

  html += TR_title;

  html += TD_buttons + getButtonCode(dateFieldName, thisDay, -1, "&lt;") + xTD;

  html += TD_title + DIV_title + monthArrayLong[ thisDay.getMonth()] + " " + thisDay.getFullYear() + xDIV + xTD;

  html += TD_buttons + getButtonCode(dateFieldName, thisDay, 1, "&gt;") + xTD;

  html += xTR;



  // this is the row that indicates which day of the week we're on

  html += TR_days;

  for(i = 0; i < dayArrayShort.length; i++)

    html += TD_days + dayArrayShort[i] + xTD;

  html += xTR;

  // now we'll start populating the table with days of the month

  html += TR;

  // first, the leading blanks

  for (i = 0; i < thisDay.getDay(); i++)

    html += TD + "&nbsp;" + xTD;

  // now, the days of the month

  do 

 {

    dayNum = thisDay.getDate();

    TD_onclick = " onclick=\"updateDateField('" + dateFieldName + "', '" + getDateString(thisDay) + "');\">";

    if (dayNum == day)

      html += TD_selected + TD_onclick + DIV_selected + dayNum + xDIV + xTD;

    else

      html += TD + TD_onclick + dayNum + xTD;

    // if this is a Saturday, start a new row

    if (thisDay.getDay() == 6)

      html += xTR + TR;

    // increment the day

    thisDay.setDate(thisDay.getDate() + 1);

 } while (thisDay.getDate() > 1)



 // fill in any trailing blanks

  if (thisDay.getDay() > 0) 

  {

    for (i = 6; i > thisDay.getDay(); i--)

      html += TD + "&nbsp;" + xTD;

  }

  html += xTR;

  // add a button to allow the user to easily return to today, or close the calendar

  var today = new Date();

  var todayString = "Today is " + dayArrayMed[today.getDay()] + ", " + monthArrayMed[ today.getMonth()] + " " + today.getDate();

  html += TR_todaybutton + TD_todaybutton;

  html += "<button class='dpTodayButton' onClick='refreshDatePicker(\"" + dateFieldName + "\");'>this month</button> ";

  html += "<button class='dpTodayButton' onClick='updateDateField(\"" + dateFieldName + "\");'>close</button>";

  html += xTD + xTR;

  // and finally, close the table

  html += xTABLE;

  document.getElementById(datePickerDivID).innerHTML = html;

  // add an "iFrame shim" to allow the datepicker to display above selection lists

  adjustiFrame();

}



/**

Convenience function for writing the code for the buttons that bring us back or forward

a month.

*/

function getButtonCode(dateFieldName, dateVal, adjust, label)

{

  var newMonth = (dateVal.getMonth () + adjust) % 12;

  var newYear = dateVal.getFullYear() + parseInt((dateVal.getMonth() + adjust) / 12);

  if (newMonth < 0) 

  {

     newMonth += 12;

     newYear += -1;

  }

  return "<button class='dpButton' onClick='refreshDatePicker(\"" + dateFieldName + "\", " + newYear + ", " + newMonth + ");'>" + label + "</button>";

}



/**

Convert a JavaScript Date object to a string, based on the dateFormat and dateSeparator

variables at the beginning of this script library.

*/

function getDateString(dateVal)

{

  var dayString = "00" + dateVal.getDate();

  var monthString = "00" + (dateVal.getMonth()+1);

  dayString = dayString.substring(dayString.length - 2);

  monthString = monthString.substring(monthString.length - 2);



  switch (dateFormat) 

  {

    case "dmy" :

      return dayString + dateSeparator + monthString + dateSeparator + dateVal.getFullYear();

    case "ymd" :

      return dateVal.getFullYear() + dateSeparator + monthString + dateSeparator + dayString;

    case "mdy" :

    default :

      return monthString + dateSeparator + dayString + dateSeparator + dateVal.getFullYear();

  }

}



/**

Convert a string to a JavaScript Date obect.

*/

function getFieldDate(dateString)

{

  var dateVal;

  var dArray;

  var d, m, y;



  try 

 {

    dArray = splitDateString(dateString);

    if (dArray) 

   {

      switch (dateFormat) 

      {

        case "dmy" :

          d = parseInt(dArray[0], 10);

          m = parseInt(dArray[1], 10) - 1;

          y = parseInt(dArray[2], 10);

          break;

        case "ymd" :

          d = parseInt(dArray[2], 10);

          m = parseInt(dArray[1], 10) - 1;

          y = parseInt(dArray[0], 10);

          break;

        case "mdy" :

        default :

          d = parseInt(dArray[1], 10);

          m = parseInt(dArray[0], 10) - 1;

          y = parseInt(dArray[2], 10);

          break;

      }

      dateVal = new Date(y, m, d);

    } 

    else if (dateString) 

    {

      dateVal = new Date(dateString);

    } 

    else 

    {

      dateVal = new Date();

    }

  } catch(e) 

  {

    dateVal = new Date();

  }



  return dateVal;

}



/**

Try to split a date string into an array of elements, using common date separators.

If the date is split, an array is returned; otherwise, we just return false.

*/

function splitDateString(dateString)

{

  var dArray;

  if (dateString.indexOf("/") >= 0)

    dArray = dateString.split("/");

  else if (dateString.indexOf(".") >= 0)

    dArray = dateString.split(".");

  else if (dateString.indexOf("-") >= 0)

    dArray = dateString.split("-");

  else if (dateString.indexOf("\\") >= 0)

    dArray = dateString.split("\\");

  else

    dArray = false;



  return dArray;

}



function datePickerClosed(dateField)

{

  var dateObj = getFieldDate(dateField.value);

  var today = new Date();

  today = new Date(today.getFullYear(), today.getMonth(), today.getDate());

  if (dateField.name == "StartDate") 

 {

    if (dateObj < today) 

   {

      // if the date is before today, alert the user and display the datepicker again

      alert("Please enter a date that is today or later");

      dateField.value = "";

      document.getElementById(datePickerDivID).style.visibility = "visible";

      adjustiFrame();

    } 

    else 

    {

      // if the date is okay, set the EndDate field to 7 days after the StartDate

      dateObj.setTime(dateObj.getTime() + (7 * 24 * 60 * 60 * 1000));

      var endDateField = document.getElementsByName ("EndDate").item(0);

      endDateField.value = getDateString(dateObj);

    }

  }

}

function updateDateField(dateFieldName, dateString)

{

  var targetDateField = document.getElementsByName (dateFieldName).item(0);

  if (dateString)

    targetDateField.value = dateString;

  var pickerDiv = document.getElementById(datePickerDivID);

  pickerDiv.style.visibility = "hidden";

  pickerDiv.style.display = "none";



  adjustiFrame();

  targetDateField.focus();



  if ((dateString) && (typeof(datePickerClosed) == "function"))

    datePickerClosed(targetDateField);

}



function adjustiFrame(pickerDiv, iFrameDiv)

{

  // we know that Opera doesn't like something about this, so if we

  // think we're using Opera, don't even try

  var is_opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);

  if (is_opera)

    return;

  // put a try/catch block around the whole thing, just in case

  try 

  {

    if (!document.getElementById(iFrameDivID)) 

    {

      // don't use innerHTML to update the body, because it can cause global variables

      // that are currently pointing to objects on the page to have bad references

      //document.body.innerHTML += "<iframe id='" + iFrameDivID + "' src='javascript:false;' scrolling='no' frameborder='0'>";

      var newNode = document.createElement("iFrame");

      newNode.setAttribute("id", iFrameDivID);

      newNode.setAttribute("src", "javascript:false;");

      newNode.setAttribute("scrolling", "no");

      newNode.setAttribute ("frameborder", "0");

      document.body.appendChild(newNode);

    }

    if (!pickerDiv)

      pickerDiv = document.getElementById(datePickerDivID);

    if (!iFrameDiv)

      iFrameDiv = document.getElementById(iFrameDivID);

    

   try 

   {

      iFrameDiv.style.position = "absolute";

      iFrameDiv.style.width = pickerDiv.offsetWidth;

      iFrameDiv.style.height = pickerDiv.offsetHeight ;

      iFrameDiv.style.top = pickerDiv.style.top;

      iFrameDiv.style.left = pickerDiv.style.left;

      iFrameDiv.style.zIndex = pickerDiv.style.zIndex - 1;

      iFrameDiv.style.visibility = pickerDiv.style.visibility ;

      iFrameDiv.style.display = pickerDiv.style.display;

    } 

    catch(e) 

    {

    }

  } 

  catch (ee) 

  {

  }

}