var firstrun = 0;
function doChange(thing){
	//flipto(thing);
	fade(thing);
	
	if (firstrun == 0){
		firstrun = 1;
	} else {
		clearTimeout(timer);
	}
	
	var nextthing = thing + 1;
	if (nextthing == 5){
		nextthing = 1;
	}
	
	timer = setTimeout("doChange("+nextthing+")", 10000);
	
}
function flipto(thing){
	var i = null;
	var thething = thing;
	if (thething == null){
		thething = 1;
	}
	for (i = 1; i < 5; i++){
		if (i != thing){
			document.getElementById("thing"+i).style.display = "none";
			//print("BE NONE!"+i);
		} else {
			document.getElementById("thing"+i).style.display = "block";
			//print("BE BLOCK!"+i);
		}
	}
	i = null;
	fade(thething);
	
}
var TimeToFade = 500;
function fade(thing){
	var thething = thing
	var eid = "container"
	var element = document.getElementById(eid);
	if(element == null)
		return;
	
	//print(element.FadeState);
	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 + "', '"+ thething +"')", 33);
	}
}
function animateFade(lastTick, eid, thing){  
	
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;
  var thething = thing;
 
  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;
    if (element.FadeState == -2){
    	flipto(thething);
    }
    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 + "', '"+thething+"')", 33);
}