// JavaScript Document

var currentItem = 0;
var maxItems = 5;
var img = new Image();
img.src = 'images/box1.png';
var img2 = new Image();
img2.src = 'images/box2.png';
var img3 = new Image();
img3.src = 'images/box3.png';
var img4 = new Image();
img4.src = 'images/box4.png';
var img5 = new Image();
img5.src = 'images/box5.png';

function slider_Init()
{
	slider_Set(1);
	var autoupdate = window.setInterval(function() { slider_goNext(); },8000);
}

function slider_Set(theItem)
{
	currentItem = theItem;
	document.getElementById("sliderbox").style.backgroundImage = "url(images/box"+currentItem+".png)";
	document.getElementById("sliderheaderbox").innerHTML = document.getElementById("news"+currentItem+"header").innerHTML;
	document.getElementById("slidertextbox").innerHTML = document.getElementById("news"+currentItem+"txt").innerHTML;
	// slider_updateNumbers();
}

function slider_setCheck(theItem)
{
  if(theItem <= maxItems)
  {
    slider_Set(theItem);
  }
}    

function slider_goPrevious()
{
	var newItem = 0;
	if(currentItem <= 1) { newItem = maxItems; }
	else { newItem = currentItem - 1; }
	slider_Set(newItem);
}

function slider_goNext()
{
	var newItem = 0;
	if(currentItem >= maxItems) { newItem = 1; }
	else { newItem = currentItem + 1; }
	slider_Set(newItem);
}

function slider_updateNumbers()
{
	var i = 1;
	var txt = "&nbsp;&nbsp;&nbsp;";
	for(i = 1; i <= maxItems; i++)
	{
		if(i > 1) { txt += " "; }
		if(i == currentItem) { txt += "<b>"+i+"</b>"; }
		else { txt += "<a onclick='slider_Set("+i+")' href='#'>"+i+"</a>"; }
	}
	document.getElementById("slider-13_").innerHTML = txt;
}