// JavaScript Document
function valid()
{
	//alert("check");	
	//alert(document.frm.small.value);	 
	
// 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 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){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}


 	if(document.frm.fname.value == "" )
	{
		alert("Please Enter your Name");
		document.frm.fname.focus();
		return false;
	}
	
	if(document.frm.email.value == "" )
	{
		alert("Please enter Email Address");
		document.frm.email.focus();
		return false;
	}
	else
	{
		emailExp= /^\w+(\-\w+)*(\.\w+(\-\w+)*)*@\w+(\-\w+)*(\.\w+(\-\w+)*)+$/;
	 	 if (!(emailExp.test(document.frm.email.value)))
		{ 
			   alert("Invalid Email Address");
			   document.frm.email.focus();
			   return false;  
		} 
	}
	
	if(document.frm.phone.value == "" )
	{
		alert("Please Enter your phone no");
		document.frm.phone.focus();
		return false;
	}
	if (checkInternationalPhone(document.frm.phone.value)==false)
	{
		alert("Please Enter Phone Number with country code")
		document.frm.phone.value=""
		document.frm.phone.focus()
		return false
	}
	return true
		 
}