// --------------------- contact form code ---------------------------

function res_Validator(enquiryform)
{

  if (enquiryform.Name.value == "")
  {
    alert("Please tell us your name.");
    enquiryform.Name.focus();
    return (false);
  }

  if (enquiryform.Name.value.length < 2)
  {
    alert("Please enter at least 2 characters for your name.");
    enquiryform.Name.focus();
    return (false);
  }

  if (enquiryform.Name.value.length > 150)
  {
    alert("Please enter at most 150 characters for your name.");
    enquiryform.Name.focus();
    return (false);
  }
  
  if (enquiryform.Telephone.value == "")
  {
    alert("Please enter your telephone number.");
    enquiryform.Telephone.focus();
    return (false);
  }

  if (enquiryform.Telephone.value.length < 6)
  {
    alert("Please enter at least 6 characters for your telephone number.");
    enquiryform.Telephone.focus();
    return (false);
  }

  if (enquiryform.Telephone.value.length > 150)
  {
    alert("Please enter at most 150 characters for your telephone number.");
    enquiryform.Telephone.focus();
    return (false);
  }

		var at="@"
		var dot="."
		var str=enquiryform.Email.value
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		
		if (str.indexOf(at)==-1){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
		}		
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
		}				
		if (str.indexOf(at,(lat+1))!=-1){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
		}

		if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
		}

		if (str.indexOf(dot,(lat+2))==-1){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
		}

		if (str.indexOf(" ")!=-1){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
		}		
		if (enquiryform.Email.value.length < 5){
			alert('Please enter a valid email address');
			enquiryform.Email.focus();
			return false;
			}

return (true);
}