var justnow, cas = "", hodiny = "", minuty = "", vteriny = "";
var mousePos = {x:0,y:0};
var lastScroll = {x:0,y:0};
var ie=document.all;
var nn6=document&&document.getElementById&&!document.all;

var ZOOM_FACTOR = 1.3;
var ZOOM_BASE = 1100;       // meters / pixel for zoom 0