function openWindow() {

window.open("","Zvetseny_obrazek",'toolbar=0,location=0,scrollbars=1,width=830,height=730,resizable=1');

}

a = 1;



function change_image()
{
  if (a==1) {
    a = 2;
    document.getElementById("button_vyber_new").style.backgroundPosition= "0px 0px";
    document.getElementById("select_place").style.display = 'block';
    document.getElementById("top").style.height = '140px';
    return false;
  }

  //zabalit a poslat
  if (a==2) {  
    a = 1;
    document.getElementById("button_vyber_new").style.backgroundPosition= "-131px 0px";
    document.getElementById("select_place").style.display = 'none';
    document.getElementById("top").style.height = '29px';
    document.getElementById("form_place").submit();
    return false;
  }
}

function show_entit(entint_id)
{
  if (document.getElementById(entint_id).style.display == 'block') 
    document.getElementById(entint_id).style.display = 'none';
  else
    document.getElementById(entint_id).style.display = 'block';
}