var UserMapWidth  = 1024;
var UserMapHeight = 768;
var MapFileName   = 'map/index.php';
var MapName       = 'R3STAT';
var PopupErrorMsg = "WARNING!nnA pop-up blocker is active on your computer. Disable it and try again";

function openPublicMap(mapoper, lang) {
  
    var url = MapFileName + '?mapoper=stats&lang=' + lang;
    var name = MapName;
  
    var width = Math.min(window.screen.availWidth, UserMapWidth);
    var height = Math.min(window.screen.availHeight, UserMapHeight);
    var l = Math.max(0, ((window.screen.availWidth - width) * .5));
    var t = Math.max(0, ((window.screen.availHeight - height) * .5));
    var features = 'width=' + width + ',height=' + height + ',scrollbars=no,toolbar=no,resizable=no,location=no,menubar=no,status=yes,top=' + t + ',left=' + l;
    try {
        hMap.close();
    } catch(e) {
    } finally {
        hMap = window.open(url, name, features);
    }
    if (hMap == null) {
        alert(PopupErrorMsg);
    } else {
        hMap.focus();
    }
}