/* window.onload = function() {
	var menu_activitytype = document.getElementById("event");
	menu_activitytype.style.display = "none";
} */

function showHideDivJs(divIdName) {
	var menu = document.getElementById(divIdName);
	var display = menu.style.display;
	menu.style.display = (display == "block") ? "none" : "block";
}