//---------------------------------Phone Validation----------------------------//

// 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);
}


//---------------------------------Phone Validation Ends-----------------------//
// JavaScript Document

function querySt(ji) {
 hu = window.location.search.substring(1);
 gy = hu.split("&");
 for (i=0;i<gy.length;i++) {
  ft = gy[i].split("=");
   if (ft[0] == ji) {
   return ft[1];
   }
  }
}

function echeck(str) {

 var at="@"
 var dot="."
 var lat=str.indexOf(at)
 var lstr=str.length
 var ldot=str.indexOf(dot)


 for(i=0;i<lstr;++i)
 {
 if ((str.charAt(i)=='.') && (str.charAt(i+1)=='.'))
 {
 alert("Invalid E-mail ID")
 return false
 }
 if ((str.charAt(i)=='@') && (str.charAt(i+1)=='@'))
 {
 alert("Invalid E-mail ID")
 return false
 }
 }


 if (str.indexOf(".")==0)
 {
 alert("Invalid E-mail ID")
 return false
 }
 if (str.indexOf("@")==0)
 {
 alert("Invalid E-mail ID")
 return false
 }
 if ((str.charAt(lstr-1))=='.')
 {
 alert("Invalid E-mail ID")
 return false
 }
 if ((str.charAt(lstr-1))=='@')
 {
 alert("Invalid E-mail ID")
 return false
 }


 if (str.indexOf(at)==-1){
 alert("Invalid E-mail ID")
 return false
 }

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

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

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

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

 if (str.indexOf(" ")!=-1){
 alert("Invalid E-mail ID")
 return false
 }
  return true
}

function validate(){
	
 if(document.getElementById('name').value == "") 
 {
  alert("Enter Name");
  document.getElementById('name').focus();
  return false;
 }

if(document.getElementById('name').value == "Name") 
 {
  alert("Enter Name");
  document.getElementById('name').focus();
  return false;
 }

  if(document.getElementById('email').value == "")
 {
  alert("Enter Email");
  document.getElementById('email').focus();
  return false;
 }
 
  if(document.getElementById('email').value == "Email")
 {
  alert("Enter Email");
  document.getElementById('email').focus();
  return false;
 }

 if(document.getElementById('email').value != "")
 {
 if(echeck(document.getElementById('email').value)==false){
  //alert("Enter a valid Email Id");
  document.getElementById('email').focus();
  return false;
  }
 }

var Phone=document.getElementById('phone');

if ((Phone.value==null)||(Phone.value=="")){
alert("Please Enter your Phone Number")
Phone.focus()
return false
}
if (checkInternationalPhone(Phone.value)==false){
alert("Please Enter a Valid Phone Number")
Phone.value=""
Phone.focus()
return false
}

if(document.getElementById('phone').value == "Telephone")
{
alert("Enter Phone");
document.getElementById('phone').focus();
return false;
}
 
 
 
 
 
 
 if(document.getElementById('add').value == "") 
 {
  alert("Enter Address");
  document.getElementById('add').focus();
  return false;
 }

if(document.getElementById('add').value == "Address") 
 {
  alert("Enter Address");
  document.getElementById('add').focus();
  return false;
 }
 if(document.getElementById('query').value == "") 
 {
  alert("Enter Your Query");
  document.getElementById('query').focus();
  return false;
 }

if(document.getElementById('query').value == "Your Query") 
 {
  alert("Enter Your Query");
  document.getElementById('query').focus();
  return false;
 }
  var select = document.getElementById('attn');
 if(document.getElementById('attn').options[select.selectedIndex].value == "How did you hear about us?")
 {
  alert("Please select a valid option 'How did you find us?'");
  document.getElementById('attn').focus();
  return false;
 }
}