// JavaScript Document

function switchOn(obID)
{
	newImage = "url(graphics/buttonon.png)";
    document.getElementById(obID).style.backgroundImage = newImage;
	return true;	
}

function switchOff(obID)
{
	newImage = "url(graphics/buttonoff.png)";
    document.getElementById(obID).style.backgroundImage = newImage;
	return true;	
}