// Javascript file for Wolf Communications
// 2005 SBS Web Services

function Rollover(who)
{
	var x=document.getElementById(who);
	if(x != null)
		x.className="TextNavButtonOver";
}

function UnRollover(who)
{
	var x=document.getElementById(who);
	if(x != null)
		x.className="TextNavButton";
}

function OpenMyLink(what)
{
	if(what != null)
		self.location = what;
}

// For website development, swap out background photos:

var current_image = 1;
var num_images = 4;

function BackgroundForward()
{
	var x;
	x = document.body.style;	
	if (current_image >= num_images)
		current_image = 1;
	else
		current_image += 1;

	x.backgroundImage = "url(./images/back_" + String(current_image) + ".jpg)";

	SetBackgroundNumber();
}		 

function BackgroundReverse()
{
	var x;
	x = document.body.style;	
	if (current_image <= 1)
		current_image = num_images;
	else
		current_image -= 1;

	x.background = "url(./images/back_" + String(current_image) + ".jpg)";

	SetBackgroundNumber();
}
	
function SetBackgroundNumber()
{
	var cellBackNumber = document.getElementById("BackNumber");
	var BackNumber = String(current_image);
	cellBackNumber.innerHTML = BackNumber;
}