var slideCache = new Array();
function RunSlideShow(pictureName,imageFiles,displaySecs)
{
  var imageSeparator = imageFiles.indexOf(";");
  var nextImage = imageFiles.substring(0,imageSeparator);
  if (document.all)
  {
    document.getElementById(pictureName).style.filter="blendTrans(duration=1)";
    document.getElementById(pictureName).filters.blendTrans.Apply();
  }
  document.getElementById(pictureName).src = nextImage;
  if (document.all)
  {
    document.getElementById(pictureName).filters.blendTrans.Play();
  }
  var futureImages= imageFiles.substring(imageSeparator+1,imageFiles.length)
    + ';' + nextImage;
  setTimeout("RunSlideShow('"+pictureName+"','"+futureImages+"',"+displaySecs+")",
    displaySecs*2000);
  // Cache the next image to improve performance.
  imageSeparator = futureImages.indexOf(";");
  nextImage = futureImages.substring(0,imageSeparator);
  if (slideCache[nextImage] == null) {
    slideCache[nextImage] = new Image;
    slideCache[nextImage].src = nextImage;
  }
}

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 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 validateForm(theForm)
{
	// Customize these calls for your form

	// Start ------->
	if (!validRequired(theForm.fNameisandi,"Name"))
		return false;

	if (!validRequired(theForm.fCompanyisandi,"Company"))
		return false;

	if (!validRequired(theForm.fPhoneisandi,"telephone"))
		return false;

		if (!validEmail(theForm.fEmailisandi,"Email Address",true))
		return false;

	if (!validRequired(theForm.fCommentisandi,"Comments",true))
		return false;
	// <--------- End
	
	return true;
}