function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function homeSwitch() {
    var $active = $('#slideshow .img-active');

    if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');

    $active.addClass('last-img-active');

    $next.css({opacity: 0.0}).addClass('img-active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('img-active last-img-active');
        });
}

function imgflicker(winNum){
	//var windowBlack = "windowBlack"+winNum;
	var windowBlack = $('#windowBlack'+winNum);
	var windowWhite = $('#windowWhite'+winNum);
    //var randSeconds = Math.ceil(Math.random()*3)+2; // max 7 sec, min 3 sec
	//var randDelay = randSeconds*1000;
	
	var window = "windowGhoul"+winNum;
    var $active = $('#'+window+' .img-active');

    if ( $active.length == 0 ) $active = $('#'+window+' IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#'+window+' IMG:first');

    $active.addClass('last-img-active');

	var delayArray = [1000,500,800,7000,8000,6500,5500,5000,4500,3000,3500,3000,8500,1500,2000,3800,4000,5500,6500,1800];
	
	var x = Math.floor(Math.random() * delayArray.length);
	var randDelay = delayArray[x];
	
    var speed = 100; // transition speed going form opacity 1 to 0.2 or 0.2 to 1
    var speed2 = 1500;
    var lightning = 50;
    //var img=$('#'+windowBlack);
	
	// quickly rotates images.
	$next.css({opacity: 0.0}).addClass('img-active')
		.animate({opacity: 1.0}, 0, function() {
            $active.removeClass('img-active last-img-active');
        });
	
	// black goes transparent, flashes white
    windowBlack.delay(randDelay).animate({'opacity':.0},0,function(){
		// flash of lightning
    	windowWhite.animate({'opacity':.0},lightning,function(){
			// show image and but to black
			windowBlack.delay(100).animate({'opacity':1},50,function(){
				
				// make the white appear again.
				windowWhite.animate({'opacity':1},0);
				// flash of lightning
				
				windowBlack.delay(100).animate({'opacity':.0},speed,function(){
					windowWhite.animate({'opacity':0},lightning);
					
					// black fades in after white resets and rotation starts over.
					windowBlack.delay(speed2).animate({'opacity':1},300,function(){
						windowWhite.animate({'opacity':1},0);
						imgflicker(winNum);
					});
					
				});
				/*
				*/
			});		
		});
		
    });
	
}

$(document).ready(function() {
    setInterval( "homeSwitch()", 15000 );
	imgflicker(1);
	imgflicker(2);
	imgflicker(3);
	imgflicker(4);
});