// JavaScript Document
function IsEmailValid(formObj) 
{
  var emailStr=formObj
  var emailPat=/^(.+)@(.+)$/
  var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
  var validChars="\[^\\s" + specialChars + "\]"
  var quotedUser="(\"[^\"]*\")"
  var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
  var atom=validChars + '+'
  var word="(" + atom + "|" + quotedUser + ")"
  var userPat=new RegExp("^" + word + "(\\." + word+ ")*$")
  var domainPat=new RegExp("^" + atom + "(\\." +atom +")*$")
  var matchArray=emailStr.match(emailPat)
  if (matchArray==null) 
  {
      return "Email address seems incorrect (check@ and .'s).\n"
  }
  var user=matchArray[1]
  var domain=matchArray[2]

  // See if "user" is valid
  if (user.match(userPat)==null) 
  {
     // user is not valid
     return "The username doesn't seem to be valid.\n"
     
  }
  var IPArray=domain.match(ipDomainPat)
  if (IPArray!=null) 
  {
     // this is an IP address
     for (var i=1;i<=4;i++) 
     {
          if (IPArray[i]>255) 
          {
               return "Destination IP address appears to be invalid!\n"
               
          }
     }
      
  }
  var domainArray=domain.match(domainPat)
  if (domainArray==null) 
  {
     return "The domain name doesn't appear to be valid.\n"
     
  }
  var atomPat=new RegExp(atom,"g")
  var domArr=domain.match(atomPat)
  var len=domArr.length
  if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) 
  {
     // the address must end in a two letter or three letter word.
     return "The address must end in a three-letter domain, or two letter country.\n"
     
  }
  // Make sure there's a host name preceding the domain.
  if (len<2) 
  {
     var errStr="This address is missing a hostname!\n"
     return errStr
  }
  // If we've gotten this far, everything looks  great!
 return "";
}

function ValidateNum(input,event)
	{
	var keyCode = event.which ? event.which : event.keyCode;
	
	if(parseInt(keyCode)>=48 && parseInt(keyCode)<=57)
		{
		return true;
		}
	//up down arrow
	if(parseInt(keyCode)>=37 && parseInt(keyCode)<=40)
		{
		return true;
		}
	if(parseInt(keyCode)==13 || parseInt(keyCode)==46 || parseInt(keyCode)==9 || parseInt(keyCode)==8)
		{
		return true;
		}
	return false;
	}

function ValidateName(input,event)
	{
	var keyCode = event.which ? event.which : event.keyCode;
	//Small Alphabets
	if(parseInt(keyCode)>=97 && parseInt(keyCode)<=122)
		{
		return true;
		}
	//Caps Alphabets
	if(parseInt(keyCode)>=65 && parseInt(keyCode)<=90)
		{
		return true;
		}
	//up down arrow
	if(parseInt(keyCode)>=37 && parseInt(keyCode)<=40)
		{
		return true;
		}
	//Space-Return-Dot
	if(parseInt(keyCode)==32 || parseInt(keyCode)==13 || parseInt(keyCode)==46 || parseInt(keyCode)==9 || parseInt(keyCode)==8)
		{
		return true;
		}
	//input.focus();
	return false;
	//alert(keyCode);
	}
function valCheck(contact)
{
	
    var why = "";
	why += checkempty(document.contact.name.value,"Enter Your Name.\n");
	why += checkempty(document.contact.mobile.value,"Enter Your Contact No.\n");
	why += checkmail(document.contact.email.value,"Enter Your Email Id.\n");
	why += checkempty(document.contact.comment.value,"Enter your Comment.\n");
	
    if (why != "") {
       alert(why);
       return false;
    }
return true;

}

function wishesCheck()
{
	
    var why = "";
	why += checkempty(document.wishes.name.value,"Enter Your Name.\n");
	why += checkmail(document.wishes.email.value,"Enter Your Email Id.\n");
	why += checkempty(document.wishes.fname.value,"Enter Your Friend Name.\n");
	why += checkmail(document.wishes.femail.value,"Enter Your Friend Email Id.\n");
	why += checkempty(document.wishes.message.value,"Enter Your Message.\n");
	
    if (why != "") {
       alert(why);
       return false;
    }
return true;

}

function checkempty(x,y)
{
	if(x==0)
		return y;
	else
		return "";
}

function checkmail(x,y)
{
	if(x==0)
		return y;
	else
		return IsEmailValid(x);
}