var nn = (document.layers)? true:false;
var ms = (document.all)? true:false;
var n6 = (document.getElementById) ? true:false;
if(n6){
			//objTopLayer = document.getElementById(id).style;
			var zmall = "document.getElementById('";
			var zmstyle = "').style";
		}
var czasPodMenu = null;
var aktual=0;											
var zmall = (ms)?('document.all.'):('document.layers');
var zmstyle = (ms)?('.style'):('');
var korekta1 = 315;
var korekta2 = 130;
var num = 0;
var xMax = 0;
var yMax = 0;
var xSrodek = 380;
var ySrodek = 0;


		function init(){
			OnResize();
			zasobyMenu = true;
		}
		
		function OnResize(){
			if (nn){
				xMax = window.innerWidth - 40;
				yMax = window.innerHeight - 60;
			}else if(ms){
				xMax = document.body.offsetWidth - 44;
				yMax = document.body.offsetHeight - 70;
			}else if(n6){
				xMax = window.innerWidth - 38;
				yMax = window.innerHeight - 60;
			}else{
				xMax = 760;
				yMax = 500;
			}
			
			xSrodek = Math.floor(xMax/2);
			ySrodek = Math.floor(yMax/2);
		}

				
		function pokazMenu(nr){
				var aktual = nr;
				if (aktual == 1)
					{
					schowajMenu(2);
					num = korekta1;
					}
				else
					{
					schowajMenu(1);
					num = korekta2;
					}
				clearTimeout(czasPodMenu);
				name = "menu" + nr;
				eval(zmall+name+zmstyle+'.visibility="visible"');
				eval(zmall+name+zmstyle+'.left=' + (xSrodek-num));
				aktual = nr;
				num = 0;
		}
		function schowajMenu(nr){
			var name = "menu" + nr;
			eval(zmall+name+zmstyle+'.visibility="hidden"');
			aktual=0;
		}
		
		function flaga(nr){
				czasPodMenu = setTimeout('schowajMenu('+nr+')',600);
		}