// JScript File
var pregnancyDays = 280;

function openPrintWindow(href){
  printwindow = window.open(href, 'printpage', 'menubar=yes, scrollbars=yes, resizable=yes');
  printwindow.print();
}

function openSendToFriendWindow(href){
  sendtofriendwindow = window.open(href, 'sendtofriend', 'menubar=no, scrollbars=yes, width=772, height=715, resizable=yes');
}

function openNewsletterSubscriptionWindow(href){
  newslettersubscriptionwindow = window.open(href, 'newslettersubscription', 'menubar=no, scrollbars=yes, width=763, height=715, resizable=yes');
}

function calculateConceptionDate()
{
  //alert('calculateImpregnationDate');
//  var impregnateDay = document.getElementById('ddlConceptionDay');
//  var impregnateMonth = document.getElementById('ddlConceptionMonth');
//  var impregnateYear = document.getElementById('ddlConceptionYear');
//  
  var birthDay = parseInt(g_birthDay.value);
  var birthMonth = parseInt(g_birthMonth.value);
  var birthYear = parseInt(g_birthYear.value);
  
  var validBirthDate = checkValidBirthDate();
  
  if (birthDay > 0 && birthMonth > 0 && birthYear > 0)
  {
    if(!validBirthDate) //(!checkValidImpregnateDate())
    {
      return;
    }
  
    var birthDate = new Date;
    birthDate.setDate(birthDay);
    birthDate.setMonth(birthMonth - 1);
    birthDate.setFullYear(birthYear);
    
    var impregnateDate = new Date(birthDate.setDate(birthDate.getDate() - pregnancyDays));
    
    setSelectedValue(g_impregnateDay, impregnateDate.getDate());
    setSelectedValue(g_impregnateMonth, impregnateDate.getMonth() + 1);
    setSelectedValue(g_impregnateYear, impregnateDate.getFullYear());
    
    if(g_impregnateDay.selectedIndex < 1 || g_impregnateMonth.selectedIndex < 1 || g_impregnateYear.selectedIndex < 1)
    {
      g_impregnateDay.selectedIndex = 0;
      g_impregnateMonth.selectedIndex = 0;
      g_impregnateYear.selectedIndex = 0;
    }
  }
  
  checkValidImpregnateDate();
}

function calculateChildBirthDate()
{
  //alert('calculateBirthDate');
  var impregnateDay = parseInt(g_impregnateDay.value);
  var impregnateMonth = parseInt(g_impregnateMonth.value);
  var impregnateYear = parseInt(g_impregnateYear.value);
  
//  var birthDay = document.getElementById('ddlChildBirthDay');
//  var birthMonth = document.getElementById('ddlChildBirthMonth');
//  var birthYear = document.getElementById('ddlChildBirthYear');
  
  var validImpregnateDate = checkValidImpregnateDate();
  
  if (impregnateDay > 0 && impregnateMonth > 0 && impregnateYear > 0)
  {
    if(!validImpregnateDate)//(!checkValidBirthDate())
    {
      return;
    }
    
    var impregnateDate = new Date;
    impregnateDate.setDate(impregnateDay);
    impregnateDate.setMonth(impregnateMonth - 1);
    impregnateDate.setFullYear(impregnateYear);
    
    var birthDate = new Date(impregnateDate.setDate(impregnateDate.getDate() + pregnancyDays));
    
    setSelectedValue(g_birthDay, birthDate.getDate());
    setSelectedValue(g_birthMonth, birthDate.getMonth() + 1);
    setSelectedValue(g_birthYear, birthDate.getFullYear());
    
    
    
    if(g_birthDay.selectedIndex < 1 || g_birthMonth.selectedIndex < 1 || g_birthYear.selectedIndex < 1)
    {
      g_birthDay.selectedIndex = 0;
      g_birthMonth.selectedIndex = 0;
      g_birthYear.selectedIndex = 0;
    }
  }
  
  checkValidBirthDate();
}

function checkValidImpregnateDate()
{
  //alert('checkValidImpregnateDate');
  var result = true;  

  //var validImpregnateDate = document.getElementById('txtValidConceptionDate');
  
  var impregnateDateString = padLeft(g_impregnateDay.value, 2, '0')
    + '/' + padLeft(g_impregnateMonth.value, 2, '0')
    + '/' + g_impregnateYear.value;
  
  if(isValidDate(impregnateDateString))
  { 
    validImpregnateDate.value = "true"; 
    result = true;
  }
  else
  {
    validImpregnateDate.value = "";
    result = false;   
  }
  
  //alert(result);
  return result;
}


function checkValidBirthDate()
{
  //alert('checkValidBirthDate');
  var result = true;  

  //var validBirthDate = document.getElementById('txtValidChildBirthDate');
  
  var birthDateString = padLeft(g_birthDay.value, 2, '0')
    + '/' + padLeft(g_birthMonth.value, 2, '0')
    + '/' + g_birthYear.value;
  
  if(isValidDate(birthDateString))
  { 
    validBirthDate.value = "true"; 
    result = true;
  }
  else
  {
    validBirthDate.value = "";
    result = false;   
  }
  //alert(result);
  
  return result;
}

function setSelectedValue(dropdownlist, value)
{
  for(var i = 0; i <= dropdownlist.length - 1; i++)
  {
    if (parseInt(dropdownlist.options[i].value) == value)
    {
      dropdownlist.selectedIndex = i;
      return;
    }
  }
  
  dropdownlist.selectedIndex = 0;
}

/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isValidDate(dtStr){ // dd/mm/yyyy
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		//alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		//alert("Please enter a valid date")
		return false
	}
return true
}

function padLeft(str, len, pad)
{
  if (len + 1 >= str.length)
  {
    str = Array(len + 1 - str.length).join(pad) + str;
  }
  
  return str;
}

function sendToFriendMessageFocus(defaultMessage)
{
  var sendToFriendMessage = document.getElementById('txtMessage');
  
  if(sendToFriendMessage.value == defaultMessage)
  {
    sendToFriendMessage.value = '';
  }
}

function sendToFriendMessageBlur(defaultMessage)
{
  var sendToFriendMessage = document.getElementById('txtMessage');
  
  if(sendToFriendMessage.value == '')
  {
    sendToFriendMessage.value = defaultMessage;
  }
}

function ShowObject(objId)
{
    var obj = document.getElementById(objId);
    if (obj != null)
    {
        obj.style.display = 'block';
    }
}

function HideObject(objId)
{
    var obj = document.getElementById(objId);
    if (obj != null)
    {
        obj.style.display = 'none';
    }
}