if (document.images)
{
	var imgLoginOn = new Image(); 
	imgLoginOn.src="Media/Images/login-button-large-roll.jpg";
	var imgLoginOff = new Image();
	imgLoginOff.src="Media/Images/login-button-large.jpg";

	var imgAccountOn = new Image(); 
	imgAccountOn.src="Media/Images/account-button-large-roll.jpg";
	var imgAccountOff = new Image();
	imgAccountOff.src="Media/Images/account-button-large.jpg";

	var imgLogin02On = new Image(); 
	imgLogin02On.src="Media/Images/login-button-large-roll.jpg";
	var imgLogin02Off = new Image();
	imgLogin02Off.src="Media/Images/login-button-large-02.jpg";

	var imgAccount02On = new Image(); 
	imgAccount02On.src="Media/Images/account-button-large-roll.jpg";
	var imgAccount02Off = new Image();
	imgAccount02Off.src="Media/Images/account-button-large-02.jpg";
}

function lightup(imgName)
{
	if (document.images)
	{
		var imgOn = eval(imgName + "On.src");
		document[imgName].src = imgOn;
	}
}

function turnoff(imgName)
{
	if (document.images)
	{
		var imgOff = eval(imgName + "Off.src");
		document[imgName].src= imgOff;
	}
}