normal = new Image();
normal.src = "media/button.gif";
active = new Image();
active.src = "media/button_on.gif";


function buttonExchange (Label, Status) {
	document.images[Label].src = Status.src;
	
	if (Status == active){
		document.getElementById(Label).className = 'active';
	}
	if (Status == normal){
		document.getElementById(Label).className = '';
	}
	
}