function display_search() {
	document.getElementById('search').style.display = "block";
}
function hide_search() {
	document.getElementById('search').style.display = "none";
}
function display_login() {
	document.getElementById('login').style.display = "block";
}
function hide_login() {
	document.getElementById('login').style.display = "none";
}
function display_viewuser() {
	document.getElementById('viewuser').style.display = "block";
}
function display_event() {
	document.getElementById('event').style.display = "block";
}
function hide_event() {
	document.getElementById('event').style.display = "none";
}