//var TimeToFade = 5000.0;

function fade(eid, TimeToFade)
{
  var element = document.getElementById(eid);
  if(element == null)
    return;
   
  if(element.FadeState == null)
  {
    if(element.style.opacity == null 
        || element.style.opacity == '' 
        || element.style.opacity == '1')
    {
      element.FadeState = 2;
    }
    else
    {
      element.FadeState = -2;
    }
  }
    
  if(element.FadeState == 1 || element.FadeState == -1)
  {
    element.FadeState = element.FadeState == 1 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
  }
  else
  {
    element.FadeState = element.FadeState == 2 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade;
//    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "'," + TimeToFade + ")", 33);

  }  
}

function animateFade(lastTick, eid, TimeToFade)
{  
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;
  
  var element = document.getElementById(eid);
 
  if(element.FadeTimeLeft <= elapsedTicks)
  {
    element.style.opacity = element.FadeState == 1 ? '1' : '0';
    element.style.filter = 'alpha(opacity = ' 
        + (element.FadeState == 1 ? '100' : '0') + ')';
    element.FadeState = element.FadeState == 1 ? 2 : -2;
    return;
  }
 
  element.FadeTimeLeft -= elapsedTicks;
  var newOpVal = element.FadeTimeLeft/TimeToFade;
  if(element.FadeState == 1)
    newOpVal = 1 - newOpVal;

  element.style.opacity = newOpVal;
  element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';
  
  setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);
}

function pause(milliseconds) {
	var dt = new Date();
	while ((new Date()) - dt <= milliseconds) { /* Do nothing */ }
}

function validate_email(field, alerttxt)
{
  with (field)
  {
    apos=value.indexOf("@")
    dotpos=value.lastIndexOf(".")
    if (apos<1||dotpos-apos<2) 
    {
       alert(alerttxt);
       return false;
    }
    else
    {
        return true;
    }
  }
}

function validate_text(field, alerttxt)
{
  with (field)
  {
    if (value==null||value=="")
    {
       alert(alerttxt);
       return false;
    }
    else
    {
       return true;
    }
  }
}

function validate_form(thisform)
{
  with (thisform)
  {

    if (validate_text(name,"Please Include Your Name")==false)
    {
      name.focus();
      return false;
    }

    if (validate_email(email,"Please Include a Valid E-mail Address")==false)
    {
      email.focus();
      return false;
    }

    if (validate_text(subject,"Please Include A Subject")==false)
    {
      subject.focus();
      return false;
    }

    if (validate_text(msgText,"Please Include A Message")==false)
    {
      msgText.focus();
      return false;
    }
	
  }
}