function sf() {
  var exists = document.getElementById('frmQuickSearch');
  if (exists) {
    document.frmQuickSearch.s_text.focus();
  };
}
function confirmLink(query) {
  if (typeof(window.opera) != 'undefined') {
    return true;
  } else {
		if (query == 0) query="Odstranit?";
		if (query == 1) query="Zrušit přihlášku?";
    return confirm(query);
	};
}
function sev(name,value) {
  document.getElementById(name).value=value;
}
function giv(name) {
  return document.getElementById(name).value;
}
function gic(name) {
  if (document.getElementById(name).checked) return 1; else return 0;
}
function gsv(name) {
  return document.getElementById(name).options[document.getElementById(name).selectedIndex].value;
}
function pih(name,value) {
  document.getElementById(name).innerHTML=value;
}
function sds(name,visible) {
  if (visible==1) {
    document.getElementById(name).style.display = "";
  } else {
    document.getElementById(name).style.display = "none";
  };
}
function isn(value,canbeempty,min) {
  if ((!canbeempty)&&(value=="")) {
    return false;
  } else if (canbeempty&&(value=="")) {
    return true;
  } else if (!isNaN(Number(value))) {
    if (min==0) return true; else return (value>=min);
  } else {
    return false;
  };
}
function ism(value,canbeempty,max) {
  if (canbeempty&&(value=="")) {
    return true;
  } else if (!isNaN(Number(value))) {
    if (max==0) return true; else return (value<=max);
  } else {
    return false;
  };
}