var imgs = new Array();
var imgs_events = new Array();
var ArrayPos = 0
var ArrayPosEvent = 0

var browser = new Browser();
preload();
setInterval(spotlightSwap,8000);
//setInterval(eventSwap,8000);

function preload()
{
	//imgs[0] = new Image();
	//imgs[0].src = "../images/spotlight1.png"

	imgs[0] = new Image();
	imgs[0].src = "../images/spotlight.png"
	
	imgs[1] = new Image();
	imgs[1].src = "../images/spotlight1.png"
	
	imgs[2] = new Image();
	imgs[2].src = "../images/spotlight2.png"

	imgs[3] = new Image();
	imgs[3].src = "../images/spotlight3.png"

	imgs[4] = new Image();
	imgs[4].src = "../images/spotlight4.png"

	imgs[5] = new Image();
	imgs[5].src = "../images/spotlight5.png"

	imgs_events[0] = new Image();
	imgs_events[0].src = "../images/event1.png"

	imgs_events[1] = new Image();
	imgs_events[1].src = "../images/event2.png"

	imgs_events[2] = new Image();
	imgs_events[2].src = "../images/event3.png"

	imgs_events[3] = new Image();
	imgs_events[3].src = "../images/event4.png"
	
	imgs_events[4] = new Image();
	imgs_events[4].src = "../images/event5.png"
	
	imgs_events[5] = new Image();
	imgs_events[5].src = "../images/event6.png"	
}

function spotlightSwap() {

	ArrayPos += 1;
	if (ArrayPos == 6)
	{
		ArrayPos = 0;
	}
	if (browser.isIE)
	{
	        document.getElementById("spotlight").style.filter="blendTrans(duration=1)";
		document.getElementById("spotlight").filters.blendTrans.apply();
	}
	document.getElementById("spotlight").src = imgs[ArrayPos].src;
	if (browser.isIE)
	{
		document.getElementById("spotlight").filters.blendTrans.play();
	}
}

function eventSwap() {

	ArrayPosEvent += 1;
	if (ArrayPosEvent == 6)
	{
		ArrayPosEvent = 0;
	}
	if (browser.isIE)
	{
	        document.getElementById("event").style.filter="blendTrans(duration=1)";
		document.getElementById("event").filters.blendTrans.apply();
	}
	document.getElementById("event").src = imgs_events[ArrayPosEvent].src;
	if (browser.isIE)
	{
		document.getElementById("event").filters.blendTrans.play();
	}
}

// Determine browser and version.
function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}