// Declaring valid date character, minimum year and maximum year

var dtCh= "/";
var minYear=1900;
var maxYear=2100;
var digits = "0123456789";
var status = true;

var phoneNumberDelimiters = "()- ";

var validWorldPhoneChars = phoneNumberDelimiters + "+";

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 isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	var 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)
	}
	var month=parseInt(strMonth)
	var day=parseInt(strDay)
	var year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
	
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		
		return false
	}
	else
	{
		return true
	}
}

function validateDate(day,month,year){
	
	var numMonth="";
	switch(month)
	{
		case 'January':
			numMonth="01";
		break;
		
		case 'February':
			numMonth="02";
		break;
		
		case 'March':
			numMonth="03";
		break;
		
		case 'April':
			numMonth="04";
		break;
		
		case 'May':
			numMonth="05";
		break;
		
		case 'June':
			numMonth="06";
		break;
		
		case 'July':
			numMonth="07";
		break;
		
		case 'August':
			numMonth="08";
		break;
		
		case 'September':
			numMonth="09";
		break;
		
		case 'October':
			numMonth="10";
		break;
		
		case 'November':
			numMonth="11";
		break;
		
		case 'December':
			numMonth="12";
		break;
	}
	
	
	var fullDate = numMonth+'/'+day+'/'+year;
	
	var dateCheck=isDate(fullDate);
	return dateCheck;
 }


function checkEmail(email)
{
	
	var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
        var isMailAdd = emailPattern.test(email);
	
	return isMailAdd;


}


function validateUpdate()
{
	 var email = document.getElementById("Email").value;
	 var isValidEmail = checkEmail(email);
	 var message ="";

         document.getElementById("formsubmit").value="Update details";

	  if(!isValidEmail)
  	  {
   		message = message+ "<li style='color:black'>Email is not valid</li>";
		
		document.getElementById("Email").style.border="1px solid red";
		status = false;
		
			 Ext.onReady(function() {
					Ext.MessageBox.show({
									title:"Warning",
									msg:'<ul style="color:black;padding-left:50px">'+message+'</ul>',
									buttons:Ext.MessageBox.OK,
									icon:Ext.MessageBox.WARNING,
									width:350,
									height:250				
									});
					
					});
		return false;
		
		
		}
		else
		{
                           // return true;
			document.getElementById("subscribeForm").submit();
		}
	 
}


function validateform()
{
   var status = true;
   var email = document.getElementById("Email").value;
   var name = document.getElementById("name").value;
   var mobile = document.getElementById("mobile").value;
   var year = document.getElementById("dobyear").value;
   var month = document.getElementById("dobmonth").value;
   var date = document.getElementById("dobday").value;
   
   document.getElementById("formsubmit").value="Become member";

   
   var isValidEmail = checkEmail(email);
   name = trim(name);
   var isNameEmpty = isEmpty(name);
   var isMobileValid = checkPhone(mobile);
   var message="";
   
   if(isNameEmpty)
   {
	   message = "<li style='color:black'>Name cannot be left blank</li>";
		
	   document.getElementById("name").style.border="1px solid red";
		status = false;
	   
   }
   
  
   if(!isValidEmail)
   {
   	message = message+ "<li style='color:black'>Email is not valid</li>";
		
	document.getElementById("Email").style.border="1px solid red";
	status = false;
   }

   if(!isMobileValid)
   {
   	message = message+ "<li style='color:black'>Mobile must be in numbers or in the following format +(##)-(##)-(###)-(#####) </li>";
		
	document.getElementById("mobile").style.border="1px solid red";
	status = false;
   }

	
	if(year!="" && date!="" && month!="")
	{
		
		if(isNaN(year))
		{
			status=false;
			message= message+"<li style='color:black'>Year should be a number in XXXX format</li>";
			document.getElementById("dobyear").style.border="1px solid red";
			
		}
		else if(!isNaN(year) && (year<1000 || year>9999 ) )
		{
			status = false;
			message = message+"<li style='color:black'>Year should be a number in XXXX format</li>";		
			document.getElementById("dobyear").style.border="1px solid red";
		}
		else if(!isNaN(year))
		{
			
			isCorrectDate = validateDate(date,month,year);
		
			
			if(!isCorrectDate)
			{
				status = false;
				message = message+"<li style='color:black'>Invalid Date</li>";	
				document.getElementById("dobmonth").style.border="1px solid red";
				document.getElementById("dobday").style.border="1px solid red";
				document.getElementById("dobyear").style.border="1px solid red";
				
			}
			
		}
	}
	else if(year!="" && date=="" && month=="")
	{
			status=false;
			message= message+"<li style='color:black'>Date & month needs to be selected</li>";
			document.getElementById("dobmonth").style.border="1px solid red";
			document.getElementById("dobday").style.border="1px solid red";
	
			if(isNaN(year))
			{
				status=false;
				message= message+"<li>Year should be a number in XXXX format</li>";
				document.getElementById("dobyear").style.border="1px solid red";
			
			}
			else if(!isNaN(year) && (year<1000 || year>9999 ) )
			{
				status = false;
				message = message+"<li style='color:black'>Year should be a number in XXXX format</li>";		
				document.getElementById("dobyear").style.border="1px solid red";
			}
		
			
	}
	else if(year!="" && date!="" && month=="")
	{
			status=false;
			message= message+"<li style='color:black'>Month needs to be selected</li>";
			document.getElementById("dobmonth").style.border="1px solid red";
			
	
			if(isNaN(year))
			{
				status=false;
				message= message+"<li style='color:black'>Year should be a number in XXXX format</li>";
				document.getElementById("dobyear").style.border="1px solid red";
			
			}
			else if(!isNaN(year) && (year<1000 || year>9999 ) )
			{
				status = false;
				message = message+"<li style='color:black'>Year should be a number in XXXX format</li>";		
				document.getElementById("dobyear").style.border="1px solid red";
			}
		
			
	}
	else if(year!="" && date=="" && month!="")
	{
			status=false;
			message= message+"<li style='color:black'>Date  needs to be selected</li>";
			
			document.getElementById("dobday").style.border="1px solid red";
	
			if(isNaN(year))
			{
				status=false;
				message= message+"<li style='color:black'>Year should be a number in XXXX format</li>";
				document.getElementById("dobyear").style.border="1px solid red";
			
			}
			else if(!isNaN(year) && (year<1000 || year>9999 ))
			{
				status = false;
				message = message+"<li style='color:black'>Year should be a number in XXXX format</li>";		
				document.getElementById("dobyear").style.border="1px solid red";
			}
		
			
	}
	else if(year=="" && date!="" && month=="")
	{
			status=false;
			message= message+"<li style='color:black'>Month needs to be selected</li>";
			document.getElementById("dobmonth").style.border="1px solid red";
			
		
			
	}
	else if(year=="" && date=="" && month!="")
	{
			status=false;
			message= message+"<li style='color:black'>Date needs to be selected</li>";
			
			document.getElementById("dobday").style.border="1px solid red";
	
			
	}
	
	else if(year=="" && date!="" && month!="")
	{
	
		if(month=="February" && (date==30 || date==31))
		{
		
			status=false;
			message= message+"<li style='color:black'>Invalid date</li>";
			
			document.getElementById("dobmonth").style.border="1px solid red";
			document.getElementById("dobday").style.border="1px solid red";
	
		}
		
		
			
	}
	else if(year=="" && date=="" && month=="")
	{
	
		
		
			status=false;
			message= message+"<li style='color:black'>Date of birth cannot be left empty</li>";
			
			document.getElementById("dobmonth").style.border="1px solid red";
			document.getElementById("dobday").style.border="1px solid red";
			document.getElementById("dobyear").style.border="1px solid red";
		
		
		
			
	}
	
	
	
	
	
   if(status==false)
   {
	  
			 Ext.onReady(function() {
					Ext.MessageBox.show({
                                                                title:"Warning",
                                                                msg:'<ul style="color:black;padding-left:50px">'+message+'</ul>',
                                                                buttons:Ext.MessageBox.OK,
                                                                icon:Ext.MessageBox.WARNING,
                                                                width:350,
                                                                height:250
                                                            });
					
					});
		//return false;
	}
	else
	{
             //   return true;
		document.getElementById("subscribeForm").submit();
	
	}	
	
	
   
   

	
}



function isEmpty(elementValue)
{
	
	var elementValue = trim(elementValue);
	
	
    if((elementValue == '') || (elementValue == null) || (elementValue == ' '))
	{
		
	   return true;	
		
	}
	else
	{
		
	   return false;	
		
	}
	
	
}


function trim(str)
{
    if(!str || typeof str != 'string')
        return null;

    return str.replace(/^[\s]+/,'').replace(/[\s]+$/,'').replace(/[\s]{2,}/,' ');
}




function checkPhone(strPhone)
{
	s=stripCharsInBag(strPhone,validWorldPhoneChars);
	
   return (isInteger(s) && s.length >1);

}


/**
 *
 *
 * function validateFunctionBookingForm
 *
 *
 *
 */
function validateFunctionBookingForm()
{
   var functionBookingStatus = true;
   var functionBookingMessage = "";
   var functionBookingName = document.getElementById("name").value;
   var functionBookingEmail = document.getElementById("Email").value;
   var functionBookingDay = document.getElementById("day").value;
   var functionBookingMonth = document.getElementById("month").value;
   var functionBookingYear = document.getElementById("year").value;
   var functionBookingPhone = document.getElementById("Phone").value;
   var functionBookingOccassion = document.getElementById("occassion").value;
   var functionBookingFunctionStyle = document.getElementById("functionStyle").value;


   var isFunctionBookingValidEmail = checkEmail(functionBookingEmail);
   functionBookingName = trim(functionBookingName);
   var isFunctionBookingNameEmpty = isEmpty(functionBookingName);
   var isFunctionBookingPhoneValid = true;
   if(!isEmpty(functionBookingPhone))
       {
          isFunctionBookingPhoneValid = checkPhone(functionBookingPhone);
       }


   if(isFunctionBookingNameEmpty)
   {
	   functionBookingMessage = functionBookingMessage+ "<li style='color:black'>Name cannot be left blank</li>";

	   document.getElementById("name").style.border="1px solid red";
		functionBookingStatus = false;

   }


   if(!isFunctionBookingValidEmail)
   {
   		functionBookingMessage = functionBookingMessage+ "<li style='color:black'>Email is not valid</li>";

		document.getElementById("Email").style.border="1px solid red";
		functionBookingStatus = false;
   }


   if(!isFunctionBookingPhoneValid)
   {
   		functionBookingMessage = functionBookingMessage+ "<li style='color:black'>Phone must be in numbers or in the following format +(##)-(##)-(###)-(#####) </li>";

		document.getElementById("Phone").style.border="1px solid red";
		functionBookingStatus = false;
	}



   if(functionBookingYear!="" && functionBookingDay!="" && functionBookingMonth!="")
	{

		if(isNaN(functionBookingYear))
		{
			functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year should be a number in XXXX format</li>";
			document.getElementById("year").style.border="1px solid red";

		}
		else if(!isNaN(functionBookingYear) && (functionBookingYear<1000 || functionBookingYear>9999 ) )
		{
			functionBookingStatus = false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year should be a number in XXXX format</li>";
			document.getElementById("year").style.border="1px solid red";
		}
		else if(!isNaN(functionBookingYear))
		{

			var isCorrectDate = validateDate(functionBookingDay,functionBookingMonth,functionBookingYear);


			if(!isCorrectDate)
			{
				functionBookingStatus = false;
				functionBookingMessage= functionBookingMessage+"<li style='color:black'>Invalid Date</li>";
				document.getElementById("month").style.border="1px solid red";
				document.getElementById("day").style.border="1px solid red";
				document.getElementById("year").style.border="1px solid red";

			}
                        else if(isCorrectDate && !isEventInFuture(functionBookingYear,functionBookingMonth,functionBookingDay))
                        {
                               functionBookingStatus = false;
				functionBookingMessage= functionBookingMessage+"<li style='color:black'>Preferred date has to be in the future.</li>";
				document.getElementById("month").style.border="1px solid red";
				document.getElementById("day").style.border="1px solid red";
				document.getElementById("year").style.border="1px solid red";
                        }

		}
	}
	else if(functionBookingYear!="" && functionBookingDay=="" && functionBookingMonth=="")
	{
			functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Date & month needs to be selected.</li>";
			document.getElementById("month").style.border="1px solid red";
			document.getElementById("day").style.border="1px solid red";

			if(isNaN(functionBookingYear))
			{
				functionBookingStatus=false;
				functionBookingMessage= functionBookingMessage+"<li>Year should be a number in XXXX format.</li>";
				document.getElementById("year").style.border="1px solid red";

			}
			else if(!isNaN(functionBookingYear) && (functionBookingYear<1000 || functionBookingYear>9999 ) )
			{
				functionBookingStatus = false;
				functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year should be a number in XXXX format.</li>";
				document.getElementById("year").style.border="1px solid red";
			}


	}
	else if(functionBookingYear!="" && functionBookingDay!="" && functionBookingMonth=="")
	{
			functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Month needs to be selected.</li>";
			document.getElementById("month").style.border="1px solid red";


			if(isNaN(functionBookingYear))
			{
				functionBookingStatus=false;
				functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year should be a number in XXXX format.</li>";
				document.getElementById("year").style.border="1px solid red";

			}
			else if(!isNaN(functionBookingYear) && (functionBookingYear<1000 || functionBookingYear>9999 ) )
			{
				functionBookingStatus = false;
				functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year should be a number in XXXX format.</li>";
				document.getElementById("year").style.border="1px solid red";
			}


	}
	else if(functionBookingYear!="" && functionBookingDay=="" && functionBookingMonth!="")
	{
			functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Date  needs to be selected.</li>";

			document.getElementById("day").style.border="1px solid red";

			if(isNaN(functionBookingYear))
			{
				functionBookingStatus=false;
				functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year should be a number in XXXX format.</li>";
				document.getElementById("year").style.border="1px solid red";

			}
			else if(!isNaN(functionBookingYear) && (functionBookingYear<1000 || functionBookingYear>9999 ))
			{
				functionBookingStatus = false;
				functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year should be a number in XXXX format.</li>";
				document.getElementById("year").style.border="1px solid red";
			}


	}
	else if(functionBookingYear=="" && functionBookingDay!="" && functionBookingMonth=="")
	{
			functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Month needs to be selected.</li>";
			document.getElementById("month").style.border="1px solid red";



	}
	else if(functionBookingYear=="" && functionBookingDay=="" && functionBookingMonth!="")
	{
			functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Date needs to be selected.</li>";

			document.getElementById("day").style.border="1px solid red";


	}

	else if(functionBookingYear=="" && functionBookingDay!="" && functionBookingMonth!="")
	{

		functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Year needs to be selected.</li>";

			document.getElementById("day").style.border="1px solid red";



	}
	else if(functionBookingYear=="" && functionBookingDay=="" && functionBookingMonth=="")
	{



			functionBookingStatus=false;
			functionBookingMessage= functionBookingMessage+"<li style='color:black'>Date cannot be left empty.</li>";

			document.getElementById("month").style.border="1px solid red";
			document.getElementById("day").style.border="1px solid red";
			document.getElementById("year").style.border="1px solid red";




	}


        if(functionBookingStatus==false)
        {

			 Ext.onReady(function() {
					Ext.MessageBox.show({
									title:"Warning",
									msg:'<ul style="color:black;padding-left:50px">'+functionBookingMessage+'</ul>',
									buttons:Ext.MessageBox.OK,
									icon:Ext.MessageBox.WARNING,
									width:350,
									height:250
									});

					});
		return false;
	}
	else
	{

		document.getElementById("frmFunctionBooking").submit();
                return true;
	}

   //return true;
}

function isEventInFuture(yr,mon,day){
    var today = new Date()
    var eventDay = Number(day);
    var eventYear = Number(yr);
    var numMonth="";
	switch(mon)
	{
		case 'January':
			numMonth=0;
		break;

		case 'February':
			numMonth=1;
		break;

		case 'March':
			numMonth=2;
		break;

		case 'April':
			numMonth=3;
		break;

		case 'May':
			numMonth=4;
		break;

		case 'June':
			numMonth=5;
		break;

		case 'July':
			numMonth=6;
		break;

		case 'August':
			numMonth=7;
		break;

		case 'September':
			numMonth=8;
		break;

		case 'October':
			numMonth=9;
		break;

		case 'November':
			numMonth=10;
		break;

		case 'December':
			numMonth=11;
		break;
	}


    var expire=new Date(eventYear,numMonth,eventDay);

    if (today.getTime()>expire.getTime())
        {
            return false;
        }
        else
            {
                return true;
            }

}