function phraseSearch() {
  if (document.getElementById('phrase').value != "") {
    if (document.getElementById('phrase').value == "Hledaný produkt...") {
      document.getElementById('phrase').value = "";
    }
    document.getElementById('phrase').style.color = "#ac8d06";
  }
  else {
    document.getElementById('phrase').value = "Hledaný produkt...";
    document.getElementById('phrase').style.color = "#222222";
  }
}
function showSpecialText(id) {
  if (document.getElementById('special').value == 1) {
    document.getElementById(id).className="";
    return false
  }
  if (document.getElementById('special').value != 1) {
    document.getElementById(id).className="hidden";
    return false
  }
}

function showForm(id) {
  if (document.getElementById(id).className == "hidden") {
    document.getElementById(id).className="";
    return false
  }
}

function addbookmark(url){
 title = "Toolscz - plechotvářecí stroje"; 
	if (window.sidebar) { // Mozilla Firefox Bookmark
		window.sidebar.addPanel(title, url,"");
	} else if( window.external ) { // IE Favorite
		window.external.AddFavorite( url, title); }
	else if(window.opera && window.print) { // Opera Hotlist
		return true; }
}