// JavaScript Document

var newsItemCount=3
var newsItemCurrent=0
//where "x" is the position of the filter within list of filters on element
var TimeToFade = 1000;
var timeToShow=5000;

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);
}
function rotateNews(){
	setTimeout("fade('newsContent')",timeToShow)
	setTimeout("changeNews()",(timeToShow+TimeToFade))

}
function changeNews(){
		newsItemCurrent++;
		if(newsItemCurrent==4){newsItemCurrent=0}
	document.getElementById("newsContent").innerHTML="<a href='news/index.asp?newsID="+newsID[newsItemCurrent]+"' target='_blank'>"+newsItems[newsItemCurrent]+"...<span class='more'>more</span></a>"
		fade("newsContent")

	setTimeout("rotateNews()",TimeToFade)

}
rotateNews()