function Toggle(div_id){
    var div = document.getElementById(div_id);
    if(div.style.display == "block")
    {
        div.style.display = 'none';
    } else {
        div.style.display = 'block';
    }
}

function selectAll(x) {
for(var i=0,l=x.form.length; i<l; i++)
if(x.form[i].type == 'checkbox' && x.form[i].name != 'sAll')
x.form[i].checked=x.form[i].checked?false:true
}

function Show(div_id){
    var div = document.getElementById(div_id);
    if(div.style.display == "none")
    {
        div.style.display = 'block';
    }
}


function addSmilie(code) {
	document.form1.bericht.value+=code;
	document.form1.bericht.focus();
}

function whatisTwitter()
	{
	document.getElementById("twitter_update_list").innerHTML = "Twitter is een functie om anderen te laten weten wat je doet. Algemeenhabbo gebruikt het om mensen die Algemeenhabbo volgen up-to-date te houden van het laatste nieuws rond Habbo en Algemeenhabbo.";
	}
	
function displayImage(image)
	{
    document.getElementById(show_img).style.display = 'block';
    document.getElementById(show_image).src = image;
}
	
function showImage(afbeelding) {
document.getElementById('show_image').src = afbeelding;
}

var TimeToFade = 1000.0;

function fade(eid)
{
  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);
  }  
}


function animateFade(lastTick, eid)
{  
  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);
}