// JavaScript Document

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);
}


function validate()
	{
		var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
		var e=document.getElementById('email').value
		var returnval=emailfilter.test(e)
		
		if (document.getElementById('uname').value=="Name")
			{
				alert ("Please enter you name");
				document.getElementById('uname').focus()
				return false;
			}
		if (document.getElementById('email').value=="Email")
			{
				alert ("Please enter email ID");
				document.getElementById('email').focus()
				return false;
			}
		if (document.getElementById('city').value=="City")
			{
				alert ("Please enter your city");
				document.getElementById('city').focus()
				return false;
			}
		
		else if (returnval==false)
			{
				alert("Please enter a valid email address.")
				document.getElementById('email').select()
				return false;
			}
				/*var Phone=document.leadform.abc.value
	
			else if ((Phone.value==null) && || isNaN(Phone.value)){
				alert("Please Enter valid Phone Number")
				Phone.focus()
				return false;
			}
			else if(isNaN(document.leadform.abc.value))
			{
				alert("Please Enter valid phone number")
				document.leadform.abc.focus()
				return false;
			}*/
				
			if (document.getElementById('mob').value=="Mobile")
			{
				alert ("Please enter mobile no");
				document.getElementById('mob').focus()
				return false;
			}
	}