function resizePage() 
{
  var startSize = 390;
  var divHeight = document.getElementById("maintext").offsetHeight;
  var mainpage_table_height = document.getElementById("mainpage_table").offsetHeight;
  if (divHeight > startSize)
    document.getElementById("mainpage_table").style.height = mainpage_table_height + divHeight - startSize;
  var url = location.href;
  var urlArr = url.split("/");
  if(urlArr[urlArr.length-1] == "index.php?page=kontakt.php")
    document.getElementById('mapFrame').src="http://maps.google.com/maps/ms?hl=pl&ie=UTF8&s=AARTsJpEQ4O4pGF2bIud7vS4EW2jGvSPMA&msa=0&msid=117406835611971447909.00044a77770d49faf0444&ll=52.306117,21.169367&spn=0.020992,0.036907&z=14&output=embed";
}