cit = new Array;
var st = 0;

function show() {
	clearTimeout(st);
	hide();
	for (i=0; i<show.arguments.length; i++) {
		document.getElementById(show.arguments[i]).style.display = '';
	}
	cit = show.arguments;
}

function hide() {
	for  (i=0; i<cit.length; i++) {
		document.getElementById(cit[i]).style.display = 'none';
	}
}