function otworz_zdjecie2(plik) {

window.open('./popup.php?img=./renowacja_zaworow_kulowych/'+plik,'prewiev','directories=no,location=no,menubar=no,resizable=no,scrollbars=no,status=yes,toolbar=no,height=100,width=100');
	return false;

}




function mapa(el){

     ch = document.getElementById('mapa_strony');
     
     if(ch.style.display == 'block'){
          ch.style.display = 'none';
       
     }else{
          ch.style.display = 'block';
          
     }

}

function initLinks() {
  for (i in document.links) {
    link = document.links[i];
    if (link.rel && link.rel.indexOf('external')!=-1) {
      link.onclick = onExternalLinkActivate;
      link.onkeypress = onExternalLinkActivate;
    }
  }
}
function onExternalLinkActivate() {
  window.open(this.href);
  return false;
}
window.onload = initLinks;