function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
  result = true;
  }
  return result;
}

function validRequired(formField,fieldLabel)
{
  var result = true;

  if (formField.value == "")
  {
    alert('Please enter a value for the "' + fieldLabel +'" field.');
    formField.focus();
    result = false;
  }

  return result;
}

function allDigits(str)
{
  return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
  var result = true;

  // Note: doesn't use regular expressions to avoid early Mac browser bugs
  for (var i=0;i<str.length;i++)
    if (charset.indexOf(str.substr(i,1))<0)
    {
      result = false;
      break;
    }

  return result;
}

function validEmail(formField,fieldLabel,required)
{
  var result = true;

  if (required && !validRequired(formField,fieldLabel))
    result = false;

  if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
  {
    alert("Please enter a complete email address in the form: yourname@yourdomain.com");
    formField.focus();
    result = false;
  }

  return result;

}

function validNum(formField,fieldLabel,required)
{
  var result = true;

  if (required && !validRequired(formField,fieldLabel))
    result = false;

  if (result)
  {
    if (!allDigits(formField.value))
    {
      alert('Please enter a number for the "' + fieldLabel +'" field.');
      formField.focus();
      result = false;
    }
  }

  return result;
}


function validInt(formField,fieldLabel,required)
{
  var result = true;

  if (required && !validRequired(formField,fieldLabel))
    result = false;

  if (result)
  {
    var num = parseInt(formField.value,10);
    if (isNaN(num))
    {
      alert('Please enter a number for the "' + fieldLabel +'" field.');
      formField.focus();
      result = false;
    }
  }

  return result;
}


function validDate(formField,fieldLabel,required)
{
  var result = true;

  if (required && !validRequired(formField,fieldLabel))
    result = false;

  if (result)
  {
    var elems = formField.value.split("/");

    result = (elems.length == 3); // should be three components

    if (result)
    {
      var month = parseInt(elems[0],10);
        var day = parseInt(elems[1],10);
      var year = parseInt(elems[2],10);
      result = allDigits(elems[0]) && (month > 0) && (month < 13) &&
           allDigits(elems[1]) && (day > 0) && (day < 32) &&
           allDigits(elems[2]) && ((elems[2].length == 2) || (elems[2].length == 4));
    }

      if (!result)
    {
      alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
      formField.focus();
    }
  }

  return result;
}

function validate(thisForm)
{
  // Customize these calls for your form

  // Start ------->
  if (!validRequired(thisForm.title,"Title"))
    return false;

  if (!validRequired(thisForm.firstname,"First Name"))
    return false;

  if (!validRequired(thisForm.lastname,"Last Name"))
    return false;

  if (!validRequired(thisForm.street,"Street"))
    return false;

  if (!validRequired(thisForm.number,"Number"))
    return false;

  if (!validNum(thisForm.number,"Number",true))
    return false;

  if (!validRequired(thisForm.zipcode,"Zip Code"))
    return false;

  if (!validRequired(thisForm.street,"Street"))
    return false;

  if (!validRequired(thisForm.town,"Town"))
    return false;

  if (!validRequired(thisForm.country,"Country"))
    return false;

  if (!validRequired(thisForm.email,"Email"))
    return false;

  if (!validEmail(thisForm.email,"Email",true))
    return false;

//  if (!validDate(thisForm.available,"Date Available",true))
//    return false;

  // <--------- End

  return true;
}

function setleftposition(el) {
  x=document.body.clientWidth  - 360;
  x=(x-420)/2;
  e=document.getElementById("bannerpos");
  e.style.left = x + 'px';
}