function rolloverButton (id, image, state) 
{
  if (document.getElementById) {
    var element_id = document.getElementById(id);
	element_id.className = image + state + '';
  }
}

function inact(imgName)
{
	if(document.images){document[imgName].src = eval(imgName+'Off.src');}	
}

function act(imgName)
{
	if(document.images){document[imgName].src = eval(imgName+'On.src');}	
}