function showEvent(id) {
	var i, curId;

	for (i=0; i<countCats; i++) {
		curId = catsArr[i];
		if (curId == id) {
			document.getElementById("ev_div" + curId).style.display = 'block';
		} else {
			document.getElementById("ev_div" + curId).style.display = 'none';
		}
	}
}