function OpenWindow(filename) {
	window.open('obrazek.aspx?i='+escape(filename), '_blank', 'resizable=1,status=1,scrollbars=1,width=630,height=640,left='+(screen.width/2-(Math.floor(630/2)))+',top='+(screen.height/2-(Math.floor(640/2))-30));
}
var atimer;
var lasti = 0;
function ShowMenu(i) {
	if (lasti == i) CancelHide(i);
	lasti = i;
	var menu = document.getElementById('menu'+i);
	menu.className = 'menua';
	var submenu = document.getElementById('submenu'+i);
	submenu.style.left = menu.offsetLeft + 'px';
	submenu.style.top = menu.offsetTop + 24 + 'px';
	submenu.style.display = 'block';
}
function HideMenu(i) {
	atimer = setTimeout('HideMenu2('+i+')', 10);
}
function HideMenu2(i) {
	document.getElementById('menu'+i).className = 'menu';
	document.getElementById('submenu'+i).style.display = 'none';
}
function CancelHide(i) {
	clearTimeout(atimer);
}