function checkValidation()

{

	var name=document.form1.name.value

	var email=document.form1.email.value

	var phone=document.form1.phone.value

	var help=document.form1.help.value

	

	if (name=='')

	{

		alert ('Please enter your name')

		document.form1.name.focus()

		return false

	}

		if (email=='')

	{

		alert ('Please enter your email')

		document.form1.email.focus()

		return false

	}	
	
	if (phone=='')

	{

		alert ('Please enter your Phone No')

		document.form1.phone.focus()

		return false

	}




	

	if (help=='')

	{

		alert ('Please enter How can we help you')

		document.form1.help.focus()

		return false

	}

}

function checkValidation1()

{

	var name1=document.form2.name1.value

	var email1=document.form2.email1.value

	var comments1=document.form2.comments1.value

	var sec1=document.form1.vercode1.value

	

	if (name1=='')

	{

		alert ('Please enter your name')

		document.form1.name.focus()

		return false

	}

	

	if (email1=='')

	{

		alert ('Please enter your email')

		document.form1.email.focus()

		return false

	}

	

	if (comments1=='')

	{

		alert ('Please enter your message')

		document.form1.comments1.focus()

		return false

	}

	

	if (sec1=='')

	{

		alert ('Please type the security code')

		document.form1.vercode1.focus()

		return false

	}

}




// Function for email validation

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 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.indexOf(at,(lat+1))!=-1){

		    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 for phone validation	

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);
}


//For Form1

function ValidateForm1(){
	var phone=document.frmSample.txtPhone
	
	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
	}
	return true
 }


//For Form1

function ValidateForm()

{

	var emailID=document.form1.email

	

	if ((emailID.value==null)||(emailID.value==""))

	{

		alert("Please Enter your Email ID")

		emailID.focus()

		return false

	}

	if (echeck(emailID.value)==false)

	{

		emailID.value=""

		emailID.focus()

		return false

	}

	return true

 }

	
	
	
