function toggle_disp() {
	var elem, disp;
	if (document.all) {
		elem = document.all(toggle_disp.arguments[0]);
	} else if (document.getElementById) {
		elem = document.getElementById(toggle_disp.arguments[0]);
	}
	disp = elem.style.display;
	if(disp == "block") {
		disp = "none";
		MM_swapImage(toggle_disp.arguments[1],'','../images/menuicon.gif',1);
	} else {
		disp = "block";
		MM_swapImage(toggle_disp.arguments[1],'','../images/menuicons.gif',1);
	}
	elem.style.display = disp;
}