var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}

function showHideDiv(div_name)
{
   if (document.getElementById) {
      document.getElementById(div_name).style.display = document.getElementById(div_name).style.display == 'none'?'block':'none';
   } else if (document.all) {
      document.all[div_name].style.display = document.all[div_name].style.display == 'none'?'block':'none';
   }
} 



function onRSearchFocus(o) {
if (o.value == 'wartosc pola') {
o.value = '';
}
}

function cleanOnFocus(input) {
input.value = '';
}