// JavaScript Document
	function IsNumeric(strString) //  check for valid numeric strings	
{
	if(!/\D/.test(strString)) return true;//IF NUMBER
	else if(/^\d+\.\d+$/.test(strString)) return true;//IF A DECIMAL NUMBER HAVING AN INTEGER ON EITHER SIDE OF THE DOT(.)
	else return false;
}
		
	
	/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// 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 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 homevalidation()

	{
	var usname = document.frmSample.uname;
	var emailID = document.frmSample.email;
	var uphone = document.frmSample.phone;
	//var suit =document.frmSample.situation;
	//var question =document.frmSample.quest;
	//var news =document.frmSample.newsletter;
	
if((usname.value==null)||(usname.value==""))
	{
		alert('Please enter your Name.');
		usname.focus();
		return false;
	}

	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
	}

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


function validation()

{
var usname = document.frmSample.uname;
var emailID = document.frmSample.email;
var uphone = document.frmSample.phone;
//var suit =document.frmSample.situation;
//var question =document.frmSample.quest;
//var news =document.frmSample.newsletter;

if((usname.value==null)||(usname.value==""))
{
	alert('Please enter your Name.');
	usname.focus();
	return false;
}

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
}




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

return true;

}