// JavaScript Document
var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
var regex= /^([0]{1})([9]{1})([234789]{1})([0-9]{8})+$/;
var idfilter = /^([A-Z]{1})([0-9]{6})/;
var phone= /^[\d]+$/;

function echeck(str)
{

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

 		 return true;					
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function IsNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789.-";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
   }

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function check_usphone(phonenumber,useareacode)
{
if(!useareacode)useareacode=1;
if((phonenumber.match(/^[ ]*[(]{0,1}[ ]*[0-9]{3,3}[ ]*[)]{0,1}[-]{0,1}[ ]*[0-9]{3,3}[ ]*[-]{0,1}[ ]*[0-9]{4,4}[ ]*$/)==null) && ((useareacode!=1) && (phonenumber.match(/^[ ]*[0-9]{3,3}[ ]*[-]{0,1}[ ]*[0-9]{4,4}[ ]*$/)==null))) return false;
return true;
} 
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

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 trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
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++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function validate_newsletter()
{
var email = document.getElementById('subs_email');
if(document.getElementById('subs_email').value == '')
	{
			alert('Enter Email Address.');	
			document.getElementById('subs_email').focus(); 
			return false;
	}
	else if (echeck(email.value)==false)
	{
		email.value="";
		email.focus();
		return false;
	}
	else
	{
		return true;
	}
}


////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function validate_donation()
{
	var email = document.getElementById('email');
	var Phone=document.donation.phone;
	
	if(document.getElementById('title').value=='')
	{
		alert('Select Title');
		document.getElementById('title').focus();
		return false;
	}
	else if(document.getElementById('fname').value=='')
	{
		alert('Enter First Name');
		document.getElementById('fname').focus();
		return false;
	}
	else if(document.getElementById('lname').value=='')
	{
		alert('Enter Last Name');
		document.getElementById('lname').focus();
		return false;
	}
	else if(document.getElementById('lname').value=='')
	{
		alert('Enter Last Name');
		document.getElementById('lname').focus();
		return false;
	}
	else if(document.getElementById('gender').value=='')
	{
		alert('select gender');
		document.getElementById('gender').focus();
		return false;
	}
	else if(document.getElementById('address1').value=='')
	{
		alert('Enter Address');
		document.getElementById('address1').focus();
		return false;
	}
	else if(document.getElementById('address1').value=='')
	{
		alert('Enter Address');
		document.getElementById('address1').focus();
		return false;
	}
	else if(document.getElementById('city').value=='')
	{
		alert('Enter city');
		document.getElementById('city').focus();
		return false;
	}
	else if(document.getElementById('state').value=='')
	{
		alert('Enter state');
		document.getElementById('state').focus();
		return false;
	}
	else if(document.getElementById('zipcode').value=='')
	{
		alert('Enter Zipcode');
		document.getElementById('zipcode').focus();
		return false;
	}
	else if (IsNumeric(document.donation.zipcode.value) == false) 
      {
	      alert("Invalid Zipcode.");
		  document.getElementById('zipcode').focus();
		  return false;
      }
	else if(document.getElementById('country').value=='')
	{
		alert('Select Country');
		document.getElementById('country').focus();
		return false;
	}
	else if(document.getElementById('phone').value=='')
	{
		alert('Enter Phone Number');
		document.getElementById('phone').focus();
		return false;
	}
	else if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}
	else if(document.getElementById('email').value=='')
	{
		alert('Enter Email Address');
		document.getElementById('email').focus();
		return false;
	}
	else if (echeck(email.value)==false)
	{
		email.value="";
		email.focus();
		return false;
	}
	else if(document.getElementById('donation_amount').value=='')
	{
		alert('Enter Donation Amount');
		document.getElementById('donation_amount').focus();
		return false;
	}	
	else if (IsNumeric(document.donation.donation_amount.value) == false) 
      {
	      alert("Please Check Amount. - It should be a numeric value.");
		  document.getElementById('donation_amount').focus();
		  return false;
      }
	else if(document.getElementById('paymentmode').value=='')
	{
		alert('Enter Payment Mode');
		document.getElementById('paymentmode').focus();
		return false;
	}	
	else 
	{
		return true;
	}
}


///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////