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

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


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)
	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){
	
		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){
	
	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;
	}
	
	
	fullDate = numMonth+'/'+day+'/'+year;
	
	dateCheck=isDate(fullDate);
	return dateCheck;
 }


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


}


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


function validateform()
{
	message = "";
	var status = true;
    
	shipping = document.getElementById("shippingLocation");
	email = document.getElementById("purchaseEmail").value;
    name = document.getElementById("purchaseName").value;
	vpcamount = document.getElementById("vpc_Amount").value;
	chkDiffDelivery = document.getElementById("chkDifferentDelivery").checked;
	vpc_CardNum = document.getElementById('vpc_CardNum').value;
	expiryMonth = document.getElementById('expiryMonth').value;
	expiryYear  = document.getElementById('expiryYear').value;
	vpc_CardSecurityCode = document.getElementById('vpc_CardSecurityCode').value;
	purchaserAddress = document.getElementById('purchaserAddress').value;
	purchaserSuburb  = document.getElementById('purchaserSuburb').value;
	purchaserState   =  document.getElementById('purchaserState').value;
	purchaserPostcode = document.getElementById('purchaserPostcode').value;
	selectedIndexPurchaserCountry = document.getElementById('purchaserCountry').selectedIndex;
	purchaserCountry = document.getElementById('purchaserCountry').options[selectedIndexPurchaserCountry].text;
	
    isValidEmail = checkEmail(email);
    name = trim(name);
    isNameEmpty = isEmpty(name);
	isEmptyMonth = isEmpty(expiryMonth);
	isEmptyYear = isEmpty(expiryMonth);
	isEmptyCardNum = isEmpty(vpc_CardNum);
	isEmptyCardCode = isEmpty(vpc_CardSecurityCode);
	isEmptyPurchaserAddress = isEmpty(purchaserAddress);
	isEmptyPurchaserSuburb = isEmpty(purchaserSuburb);
	isEmptyPurchaserState = isEmpty(purchaserState);
	isEmptyPurchaserPostcode = isEmpty(purchaserPostcode);
	isEmptyPurchaserCountry = isEmpty(purchaserCountry);
	isShippingSelected = shipping.options[shipping.selectedIndex].value == 0;
	
	if(isNameEmpty)
    {
	   message = "Name cannot be left blank\n";
		
	   document.getElementById("purchaseName").style.border="1px solid red";
		status = false;
	   
    }
   else
   {
	   if(document.getElementById("purchaseName").style.border=="1px solid red")
	   {
		   document.getElementById("purchaseName").style.border="";
		   
	   }
	   
	   
   }
   
   if (isShippingSelected) {
		message = message += "Select a shipping location\n";   
   }
  
   if(!isValidEmail)
   {
   		message = message+ "Email is not valid\n";
		
		document.getElementById("purchaseEmail").style.border="1px solid red";
		status = false;
   }
   else
   {
	   if(document.getElementById("purchaseEmail").style.border=="1px solid red")
	   {
		   document.getElementById("purchaseEmail").style.border="";
		   
	   }
	   
	   
   }
   
   
   if(isEmptyCardNum)
   {
   		message = message+ "Card number cannot be empty\n";
		
		document.getElementById("vpc_CardNum").style.border="1px solid red";
		status = false;
   }
   else
   {
	   if(document.getElementById("vpc_CardNum").style.border=="1px solid red")
	   {
		   document.getElementById("vpc_CardNum").style.border="";
		   
	   }
	   
	   
   }
   
   if(isEmptyCardCode)
   {
   		message = message+ "Card security code cannot be left empty\n";
		
		document.getElementById("vpc_CardSecurityCode").style.border="1px solid red";
		status = false;
   }
    else
   {
	   if(document.getElementById("vpc_CardSecurityCode").style.border=="1px solid red")
	   {
		   document.getElementById("vpc_CardSecurityCode").style.border="";
		   
	   }
	   
	   
   }
   
   if(isEmptyMonth)
   {
   		message = message+ "Month cannot be left empty\n";
		
		document.getElementById("expiryMonth").style.border="1px solid red";
		status = false;
   }
      else
   {
	   if(document.getElementById("expiryMonth").style.border=="1px solid red")
	   {
		   document.getElementById("expiryMonth").style.border="";
		   
	   }
	   
	   
   }
   
   
   
    if(isEmptyYear)
   {
   		message = message+ "Year cannot be left empty\n";
		
		document.getElementById("expiryYear").style.border="1px solid red";
		status = false;
   }
    else
   {
	   if(document.getElementById("expiryYear").style.border=="1px solid red")
	   {
		   document.getElementById("expiryYear").style.border="";
		   
	   }
	   
	   
   }
  
   
    if(isEmptyPurchaserAddress)
   {
   		message = message+ "Address cannot be left empty\n";
		
		document.getElementById("purchaserAddress").style.border="1px solid red";
		status = false;
   }
   else
   {
	   if(document.getElementById("purchaserAddress").style.border=="1px solid red")
	   {
		   document.getElementById("purchaserAddress").style.border="";
		   
	   }
	   
	   
   }
   
   
   
   
    if(isEmptyPurchaserSuburb)
   {
   		message = message+ "Suburb cannot be left empty\n";
		
		document.getElementById("purchaserSuburb").style.border="1px solid red";
		status = false;
   }
    else
   {
	   if(document.getElementById("purchaserSuburb").style.border=="1px solid red")
	   {
		   document.getElementById("purchaserSuburb").style.border="";
		   
	   }
	   
	   
   }
   
    if(isEmptyPurchaserState)
   {
   		message = message+ "State cannot be left empty\n";
		
		document.getElementById("purchaserState").style.border="1px solid red";
		status = false;
   }
       else
   {
	   if(document.getElementById("purchaserState").style.border=="1px solid red")
	   {
		   document.getElementById("purchaserState").style.border="";
		   
	   }
	   
	   
   }
   
   
   
   
    if(isEmptyPurchaserPostcode)
   {
   		message = message+ "Postcode cannot be left empty\n";
		
		document.getElementById("purchaserPostcode").style.border="1px solid red";
		status = false;
   }
    else
   {
	   if(document.getElementById("purchaserPostcode").style.border=="1px solid red")
	   {
		   document.getElementById("purchaserPostcode").style.border="";
		   
	   }
	   
	   
   }
   
   
   
   
   
    if(isEmptyPurchaserCountry)
   {
   		message = message+ "Country is not valid\n";
		
		document.getElementById("purchaserCountry").style.border="1px solid red";
		status = false;
   }
     else
   {
	   if(document.getElementById("purchaserCountry").style.border=="1px solid red")
	   {
		   document.getElementById("purchaserCountry").style.border="";
		   
	   }
	   
	   
   }
   
   
   
   
   
  	  if(vpcamount==0)
   {
   		message = message+ "At least 1 item has to be purchased\n";
		
		document.getElementById("item0Text").style.border="1px solid red";
		status = false;
   }
    else
   {
	   if(document.getElementById("item0Text").style.border=="1px solid red")
	   {
		   document.getElementById("item0Text").style.border="";
		   
	   }
	   
	   
   }
	
	
	if(chkDiffDelivery == false)
	{
		deliveryName = document.getElementById("deliveryName").value;
		deliveryAddress = document.getElementById('deliveryAddress').value;
		deliverySuburb  = document.getElementById('deliverySuburb').value;
		deliveryState   =  document.getElementById('deliveryState').value;
		deliveryPostcode = document.getElementById('deliveryPostcode').value;
		selectedIndexDeliveryCountry = document.getElementById('deliveryCountry').selectedIndex;
	deliveryCountry = document.getElementById('deliveryCountry').options[selectedIndexDeliveryCountry].text;
		
		 deliveryName = trim(deliveryName);
    	isDeliveryNameEmpty = isEmpty(deliveryName);
		isEmptyDeliveryAddress = isEmpty(deliveryAddress);
		isEmptyDeliverySuburb = isEmpty(deliverySuburb);
		isEmptyDeliveryState = isEmpty(deliveryState);
		isEmptyDeliveryPostcode = isEmpty(deliveryPostcode);
		isEmptyDeliveryCountry = isEmpty(deliveryCountry);
		
	
			 if(isDeliveryNameEmpty)
		   {
				message = message+ "Delivery name cannot be left empty\n";
				
				document.getElementById("deliveryName").style.border="1px solid red";
				status = false;
		   }
		    else
  			 {
				   if(document.getElementById("deliveryName").style.border=="1px solid red")
				   {
					   document.getElementById("deliveryName").style.border="";
					   
				   }
	   
	   
   			}
	
		   if(isEmptyDeliveryAddress)
		   {
				message = message+ "Delivery address cannot be left empty\n";
				
				document.getElementById("deliveryAddress").style.border="1px solid red";
				status = false;
		   }
		    else
		   {
			   if(document.getElementById("deliveryAddress").style.border=="1px solid red")
			   {
				   document.getElementById("deliveryAddress").style.border="";
				   
			   }
			   
			   
		   }
		   
			if(isEmptyDeliverySuburb)
		   {
				message = message+ "Delivery suburb cannot be left empty\n";
				
				document.getElementById("deliverySuburb").style.border="1px solid red";
				status = false;
		   }
		       else
		   {
			   if(document.getElementById("deliverySuburb").style.border=="1px solid red")
			   {
				   document.getElementById("deliverySuburb").style.border="";
				   
			   }
			   
			   
		   }
		   
			if(isEmptyDeliveryState)
		   {
				message = message+ "Delivery state cannot be left empty\n";
				
				document.getElementById("deliveryState").style.border="1px solid red";
				status = false;
		   }
		    else
		   {
			   if(document.getElementById("deliveryState").style.border=="1px solid red")
			   {
				   document.getElementById("deliveryState").style.border="";
				   
			   }
			   
			   
		   }
		   
		   
			if(isEmptyDeliveryPostcode)
		   {
				message = message+ "Delivery postcode cannot be left empty\n";
				
				document.getElementById("deliveryPostcode").style.border="1px solid red";
				status = false;
		   }
		    else
		   {
			   if(document.getElementById("deliveryPostcode").style.border=="1px solid red")
			   {
				   document.getElementById("deliveryPostcode").style.border="";
				   
			   }
			   
			   
		   }
		   
			if(isEmptyDeliveryCountry)
		   {
				message = message+ "Delivery country is required\n";
				
				document.getElementById("deliveryCountry").style.border="1px solid red";
				status = false;
		   }
   			   else
		   {
			   if(document.getElementById("deliveryCountry").style.border=="1px solid red")
			   {
				   document.getElementById("deliveryCountry").style.border="";
				   
			   }
			   
			   
		   }
	
	
		
	}
	
			
	
   if(status==false)
   {
	  
		alert(message);
		return false;
	}
	else
	{
	
		
		document.orderForm.submit();
	}	
	
	
   
   

	
}



function isEmpty(elementValue)
{
	
	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);

}