function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_01_over = newImage("images/nav_01_over.gif");
		nav_02_over = newImage("images/nav_02_over.gif");
		nav_03_over = newImage("images/nav_03_over.gif");
		nav_04_over = newImage("images/nav_04_over.gif");
		nav_05_over = newImage("images/nav_05_over.gif");
		preloadFlag = true;
	}
}

// previous-next button functionality

//page array
var link_array = new Array();
 link_array[1] = 'index.html';
 link_array[2] = 'story01.html';
 link_array[3] = 'story02.html';
 link_array[4] = 'story03.html';
 link_array[5] = 'story04.html';
 link_array[6] = 'story05.html';
 link_array[7] = 'story06.html';
 link_array[8] = 'story07.html';
 link_array[9] = 'story08.html';


// skip fwd
 function next()
 {
	if ((pagecount + 1) >= link_array.length)
	{
		window.location.href = link_array[1];
	}
	else
	{
		++pagecount;
//		document.location.href = link_array[count];
		window.location.href = link_array[pagecount];
	}
 }
  // skip back
 function previous()
 {
	if ((pagecount - 1) <= 0)
	{
		window.location.href = link_array[13];
	}
	else
	{
		--pagecount;
//		document.location.href = link_array[count];
		window.location.href = link_array[pagecount];
	}
 }