//toggle contact_us block
function toggle_vis()
{
	x = document.getElementById("contact_us");

	if (x.style.visibility == "visible")
	{
		x.style.visibility = "hidden";
	}
	else
	{
		x.style.visibility = "visible";
	}
}


//slideshow script
var interval = 9000;
var random_display = 0;
var imageDir = "images/slides/";

var imageNum = 0;
imageArray = new Array();
imageArray[imageNum++] = new imageItem(imageDir + "01.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "02.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "03.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "04.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "05.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "06.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "07.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "08.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "09.jpg");
imageArray[imageNum++] = new imageItem(imageDir + "10.jpg");

var totalImages = imageArray.length;

function imageItem(image_location) 
{
	this.image_item = new Image();
	this.image_item.src = image_location;
}

function get_ImageItemLocation(imageObj)
{
	return(imageObj.image_item.src)
}

function randNum(x, y)
{
	var range = y - x + 1;
	return Math.floor(Math.random() * range) + x;
}

function getNextImage()
{
	if (random_display)
	{
		imageNum = randNum(0, totalImages-1);
	}
	else
	{
		imageNum = (imageNum+1) % totalImages;
	}

	var new_image = get_ImageItemLocation(imageArray[imageNum]);
	return(new_image);
}

function getPrevImage()
{
	imageNum = (imageNum-1) % totalImages;
	var new_image = get_ImageItemLocation(imageArray[imageNum]);
	return(new_image);
}

function prevImage(place)
{
	var new_image = getPrevImage();
	document[place].src = new_image;
}

function switchImage(place)
{
	var new_image = getNextImage();
	document[place].src = new_image;
	var recur_call = "switchImage('"+place+"')";
	timerID = setTimeout(recur_call, interval);
}

function image_popup(url)
{
	window.open(url,'image_window','location=0,status=1,resizable=1,scrollbars=1,width=600,height=600');
}