function disp(id)
{
	document.getElementById("main-punct1").className = "disp-false";
	document.getElementById("main-punct2").className = "disp-false";
	document.getElementById("main-punct3").className = "disp-false";
	document.getElementById("main-punct4").className = "disp-false";
	document.getElementById("main-punct5").className = "disp-false";
	document.getElementById("main-punct6").className = "disp-false";
	document.getElementById(id).className = "disp-true";
}