// set these variables 		
var numberOfLastImage = 3;	
var numberOfFirstImage = 1;	
var delayIn100thSeconds = 400;

var destination = new Array();
var slide = new Array();



slide[1] = "graphics/cover1.jpg";
destination[1] = "toc.htm"; 

slide[2] = "graphics/cover2.jpg";
destination[2] = "toc.htm"; 

slide[3] = "graphics/cover3.jpg";
destination[3] = "toc.htm"; 



var slideNumber = 0;



function showNextSlide()
{	
	slideNumber++
	if(slideNumber > numberOfLastImage )	// if past last slide
		{
			slideNumber = numberOfFirstImage ;
		}

	document.screen.src = slide[slideNumber]; 	// send slide to screen
	
	setTimeout("showNextSlide()",delayIn100thSeconds * 10);

}