var numFaders = 0;
	var curFader;
	var nextFader = 0;
	var hidingFader = 0;
	var fadeIn = 1500; //time in ms of fade in
	var fadeOut = 1500;
	var showSlideFor = 3000;
	var fader1;
	var fader2;
	var fader3;
	var fader4;
	var fader1faded;
	var fader2faded;
	var fader3faded;
	var fader4faded;
		
	
	 function nextSlide() {
		nextFader = curFader+1;
		if(nextFader > numFaders) nextFader = 1;// will choose num from 1 - 4 that is different from curFader
		if(nextFader == 0) nextFader=4;
		hidingFader = curFader;
		eval('fader'+curFader+'.toggle()'); //hide one showing
		eval('fader'+nextFader+'.toggle()'); //hide one showing
		//setTimeout("eval('fader'+nextFader+'.toggle()')", fadeIn)
		//eval('fader'+nextFader+'.toggle()');				
		//alert('just faded out '+curFader+' and faded in '+nextFader)
		curFader = nextFader;
	}
	
	window.onload = function() {
		
		 //fader effect
		 if(document.getElementById('img1')) {
			 fader1 = new fx.Opacity('img1', {duration: fadeIn, onComplete: function() {if(hidingFader != 1) { setTimeout("nextSlide();", showSlideFor) } } });
			 fader1.hide();
			 numFaders++;
		 }
		 
		 if(document.getElementById('img2')) {
			 fader2 = new fx.Opacity('img2', {duration: fadeIn, onComplete: function() { if(hidingFader != 2) { setTimeout("nextSlide();", showSlideFor) } } });
			 fader2.hide();
			  numFaders++;
		 }
		 
		  if(document.getElementById('img3')) {
			 fader3 = new fx.Opacity('img3', {duration: fadeIn, onComplete: function() { if(hidingFader != 3) { setTimeout("nextSlide();", showSlideFor) } } });
			 fader3.hide();
			  numFaders++;
		 }
		 
		  if(document.getElementById('img4')) {
			 fader4 = new fx.Opacity('img4', {duration: fadeIn, onComplete: function() { if(hidingFader != 4) { setTimeout("nextSlide();", showSlideFor) } } });
			 fader4.hide();
			  numFaders++;
		 }
		
		curFader = Math.floor(Math.random()*numFaders +1); //random num between 1 and 4
		
		
		
		/*fader2 = new fx.Opacity('img2', {duration: fadeIn, onComplete: function() { if(hidingFader != 2) { fader2faded.toggle() } else { eval('fader'+nextFader+'.toggle()') } } });
		 fader2.hide();
		 fader2faded = new fx.Opacity('img2faded', {duration: fadeOut, onComplete: function() { if(hidingFader != 2) { setTimeout("nextSlide();", showSlideFor) } else { eval('fader'+nextFader+'.toggle()') } } });
		 fader2faded.hide();
		 
		 fader3 = new fx.Opacity('img3', {duration: fadeIn, onComplete: function() { if(hidingFader != 3) { fader3faded.toggle() } else { eval('fader'+nextFader+'.toggle()') } } });
		 fader3.hide();
		 fader3faded = new fx.Opacity('img3faded', {duration: fadeOut, onComplete: function() { if(hidingFader != 3) { setTimeout("nextSlide();", showSlideFor) } else { eval('fader'+nextFader+'.toggle()') } } });
		 fader3faded.hide();
		 
		 fader4 = new fx.Opacity('img4', {duration: fadeIn, onComplete: function() { if(hidingFader != 4) { fader4faded.toggle() } else { eval('fader'+nextFader+'.toggle()') } } });
		 fader4.hide();
		 fader4faded = new fx.Opacity('img4faded', {duration: fadeOut, onComplete: function() { if(hidingFader != 4) { setTimeout("nextSlide();", showSlideFor) } else { eval('fader'+nextFader+'.toggle()') } } });
		 fader4faded.hide();
		 */
		 
		
		/* $('fade').onclick = function() {
			fader.toggle();
			};	
		*/
		//$('img4faded').style.display = '';	
		eval('fader'+curFader+'.toggle()');		
	};