var objXmlHttpReq;
var intervalID;
var loadDots;
var arrSlideshow = new Array();
var intPointer;
var blnSlideshow;
var intervalSlideshow;

blnSlideshow = false;
intPointer = 0;

function createObjXmlHttpReq()
{ 
	var objTemp=null
	if (window.ActiveXObject)
	{
		objTemp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest)
	{
		objTemp=new XMLHttpRequest();
	}
	return objTemp;
}

function toggleSlideshow() {
	if (blnSlideshow)
	{
		clearInterval(intervalSlideshow);
		blnSlideshow = false;
		document.getElementById("slideshowicon").src = "/images/site_images/slideshow_off.jpg";
	}
	else
	{
		nextImage();
		intervalSlideshow = setInterval(nextImage, 7000);
		blnSlideshow = true;
		document.getElementById("slideshowicon").src = "/images/site_images/slideshow_on.jpg";
	}
}

function nextImage() {
	intPointer++;
	if (intPointer > (arrSlideshow.length - 2))
	{
		intPointer = 0;
	}
	loadPic(arrSlideshow[intPointer]);
	//alert("intPointer : " + intPointer + "\narrSlideshow.length : " + (arrSlideshow.length - 2));
}

function prevImage() {
	intPointer--;
	if (intPointer < 0)
	{
		intPointer = arrSlideshow.length - 2;
	}
	loadPic(arrSlideshow[intPointer]);
	//alert("intPointer : " + intPointer + "\narrSlideshow.length : " + (arrSlideshow.length - 2));
}