function submitEnable()
{
	document.getElementById("submit").disabled=false;
}


function isEmailOld (s)
{     
    // is s whitespace?
    // if (ContainsWhitespace(s)) return false;
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) 
    {
	return false;
	submitEnable();
    }
    else return true;
}


function isEmail (s)
{
	//var filter = /^([a-zA-Z0-9_.-])+@([a-zA-Z0-9-])+.[a-zA-Z0-9]{2,4}$/;
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (!filter.test(s))
	{
		submitEnable();
		return false;
	}
	else
	{
		return true;
	}
}

function Form_Validator(theForm)
{
//alert(theForm.BranchID.value);

//  if (theForm.Media.value=="0") { alert("How did you find out about this website?"); theForm.Media.focus(); submitEnable(); return (false);  }
  
//  if (theForm.Title.value=="not specified")  { alert("Please select your title, Mr, Mrs etc"); theForm.Title.focus(); submitEnable(); return (false);  }
  if (theForm.FirstName.value=="")  { alert("Please enter your first name"); theForm.FirstName.focus(); submitEnable(); return (false);  }
  if (theForm.Surname.value=="")  { alert("Please enter your surname"); theForm.Surname.focus(); submitEnable(); return (false);  }
//  if (theForm.HouseNumber.value=="")  { alert("Please enter your house/flat number"); theForm.HouseNumber.focus(); submitEnable(); sreturn (false);  }
//  if (theForm.PostCode.value=="")  { alert("Please enter your post code"); theForm.PostCode.focus(); submitEnable(); return (false);  }
  if  (theForm.Email.value=="" || (!isEmail(theForm.Email.value)) )
  {
    alert("Please enter a valid email address");
    theForm.Email.focus();
    submitEnable();
    return (false);
  }

  if (theForm.DaytimePhone.value=="") { alert("Please enter your daytime phone number"); theForm.DaytimePhone.focus(); submitEnable(); return (false);  }
  if (!ifInteger(theForm.DaytimePhone.value)) { alert("Please enter correct daytime phone number"); theForm.DaytimePhone.focus(); submitEnable(); return (false);  }

//  if ((theForm.DaytimePhone.value=="") && (theForm.EveningPhone.value=="") && (theForm.MobilePhone.value==""))  { alert("Please enter a phone number so that we can contact you"); theForm.DaytimePhone.focus();  return (false);  }

if ((theForm.BranchID.value=="0")) { alert("Please select a branch"); submitEnable(); return(false); }

//  if ((theForm.EmailList.checked==false) &&	(theForm.MailingList.checked==false) && (theForm.OptOut.checked==false)) { alert("Please select your mailing preference - if you prefer not to be contacted with future Lifestyle Group promotional mailings please tick the opt-out box"); theForm.EmailList.focus(); return(false); }

if (theForm.BranchID != undefined)
{
  if (theForm.BranchID.selectedIndex==0) { alert("Please select your nearest branch"); submitEnable(); return (false); }
}


    return (true);
}

function ifInteger(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")) && (c != " ")) return false;
    }
    // All characters are numbers.
    return true;
}