function Fensterweite () {
  if (window.innerWidth) {
    return window.innerWidth;
  } else if (document.body && document.body.offsetWidth) {
    return document.body.offsetWidth;
  } else {
    return 0;
  }
}

function Fensterhoehe () {
  if (window.innerHeight) {
    return window.innerHeight;
  } else if (document.body && document.body.offsetHeight) {
    return document.body.offsetHeight;
  } else {
    return 0;
  }
}

function openCountryInfo(pHeight,pWidth) {
	var win1 = (Fensterweite()-pWidth)/2;
	var win2 = (Fensterhoehe()-pHeight)/2;
	document.getElementById("countryInfo").style.left=win1+"px";
	document.getElementById("countryInfo").style.top=win2+"px";
	document.getElementById("countryInfo").style.display="block";
}