var alertblik=0;
var katalog=Array();
var menulock=Array();

function openmenu(podmenu) {

	menulock[podmenu]=1;

	var ipodmenu=document.getElementById('podmenu'+podmenu);
	ipodmenu.style.visibility='visible';
	}

function closemenu(podmenu) {

	menulock[podmenu]=0;

	window.setTimeout('checkmenu('+podmenu+')',500);
	}

function checkmenu(podmenu) {

	if (menulock[podmenu]==0)
		document.getElementById('podmenu'+podmenu).style.visibility='hidden';
	}

function submenuchange(id) {

	var spane=document.getElementById('submenu'+id);
	var symb=document.getElementById('symbol'+id);

	if (katalog[id]) {
		spane.style.display='none';
		document.images['symbol'+id].src='/styles/img/plus.png';
		katalog[id]=0;
		}
	else {
		spane.style.display='block';
		document.images['symbol'+id].src='/styles/img/minus.png';
		katalog[id]=1;
		}
	}

function disable_alert() {
	
	var alerte=document.getElementById('alert');
	
	if (alerte) {

		if (alertblik<13) {
		
			if (alertblik%2) alerte.className='alert-inverz';
			else alerte.className='';
		
			setTimeout('disable_alert();',80);
			}
		else alerte.style.display='none';
	
		alertblik=alertblik+1;
		}
	}

function start_dalert() {
	
	if (alertblik==0) {
	
		alertblik=1;
	
		setTimeout('disable_alert();',10);
		}
	}
		
function page_loaded() {

	setTimeout('start_dalert();',2500);
	}	

function print_alert(alert_text) {

	document.write('<div id="alert" onmouseover="javascript:start_dalert()">');
	document.write(alert_text);
	document.write('</div>');
	}	
		
setTimeout('start_dalert();',6000);