function show(menu_item)
{
  document.getElementById("podmenu" + menu_item).style.visibility = "visible";
  document.getElementById("a-menu"+menu_item).className = "selected";
}

function hide(menu_item)
{
  document.getElementById("podmenu" + menu_item).style.visibility = "hidden";
  document.getElementById("a-menu"+menu_item).className="";
}

function ZmenLokaci() {
  adresa = location.href;
  adresa = adresa.split("&sekce");
  adr = adresa[0];
  adr += "&sekce=" + document.getElementById('sekce').value + "&nadpis_cz=" + document.getElementById('nadpis_cz').value + "&nadpis_en=" + document.getElementById('nadpis_en').value;
  location = adr;
}



function ZmenLokaci2() {
  adresa = location.href;

//  adresa = adresa.split("&kod");
  adresa = adresa.split("&nadpis_cz");
  
  adr = adresa[0];
//  adr += "&kod=" + document.getElementById('kod').value;
  adr += "&nadpis_cz=" + document.getElementById('nadpis_cz').value;
  adr += "&nadpis_en=" + document.getElementById('nadpis_en').value;
  adr += "&sekce_produkty=" + document.getElementById('sekce_produkty').value;
  adr += "&podsekce_produkty=" + document.getElementById('podsekce_produkty').value;
//  adr += "&rozmery=" + document.getElementById('rozmery').value;
  location = adr;
}




function aktualizujOdkazy() {
  if(!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if(links[i].className.match("popup")) {
      links[i].onclick = function () {
        return !window.open(this.href);
      }
    }
  }
}
window.onload=aktualizujOdkazy;

function topStoryOver(id) {
	document.getElementById("anotace1").className='topStoryAnotace';
	document.getElementById("anotace2").className='topStoryAnotace';
	document.getElementById("anotace3").className='topStoryAnotace';
	document.getElementById("anotace4").className='topStoryAnotace';
	document.getElementById("anotace"+id).className='topStoryAnotace AnotaceAktivni';
	document.getElementById("nahled1").style.display='none';
	document.getElementById("nahled2").style.display='none';
	document.getElementById("nahled3").style.display='none';
	document.getElementById("nahled4").style.display='none';
	document.getElementById("nahled"+id).style.display='block';
}
function topStoryLeft(id) {
	id--;
	if (id<1) id=4;
 	document.getElementById("anotace1").className='topStoryAnotace';
	document.getElementById("anotace2").className='topStoryAnotace';
	document.getElementById("anotace3").className='topStoryAnotace';
	document.getElementById("anotace4").className='topStoryAnotace';
	document.getElementById("anotace"+id).className='topStoryAnotace AnotaceAktivni';
	document.getElementById("nahled1").style.display='none';
	document.getElementById("nahled2").style.display='none';
	document.getElementById("nahled3").style.display='none';
	document.getElementById("nahled4").style.display='none';
	document.getElementById("nahled"+id).style.display='block';

}
function topStoryRight(id) {
		id++;
	if (id>4) id=1;
 	document.getElementById("anotace1").className='topStoryAnotace';
	document.getElementById("anotace2").className='topStoryAnotace';
	document.getElementById("anotace3").className='topStoryAnotace';
	document.getElementById("anotace4").className='topStoryAnotace';
	document.getElementById("anotace"+id).className='topStoryAnotace AnotaceAktivni';
	document.getElementById("nahled1").style.display='none';
	document.getElementById("nahled2").style.display='none';
	document.getElementById("nahled3").style.display='none';
	document.getElementById("nahled4").style.display='none';
	document.getElementById("nahled"+id).style.display='block';

}
function kratkeZpravy(id) {
	if (document.getElementById("kratka_text"+id).style.display=='block') {
		document.getElementById("kratka_text"+id).style.display='none';
		document.getElementById("kratka_li"+id).style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
	}
	else {
		document.getElementById("kratka_text1").style.display='none';
		document.getElementById("kratka_text2").style.display='none';
		document.getElementById("kratka_text3").style.display='none';
		document.getElementById("kratka_text4").style.display='none';
		document.getElementById("kratka_text5").style.display='none';
		document.getElementById("kratka_text6").style.display='none';
		document.getElementById("kratka_text7").style.display='none';
		document.getElementById("kratka_text"+id).style.display='block';
		
		document.getElementById("kratka_li1").style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
		document.getElementById("kratka_li2").style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
		document.getElementById("kratka_li3").style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
		document.getElementById("kratka_li4").style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
		document.getElementById("kratka_li5").style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
		document.getElementById("kratka_li6").style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
		document.getElementById("kratka_li7").style.background='url(../img/li_blue.gif) no-repeat 0px 5px';
		document.getElementById("kratka_li"+id).style.background='url(../img/li_blue_down.gif) no-repeat 0px 4px';

	}
	
}

function zobrazitSkryt(id) {
	if (document.getElementById(id).className=="hidden") document.getElementById(id).className="visible";
		else document.getElementById(id).className="hidden";
}

function validate_search(formular)  {
    if (formular.search_input.value=="")  {
		  alert ("CHYBA: zadejte text, který chcete vyhledat");
		  formular.search_input.focus();
		  return false;
    }
}

function change_tab(tab,idcko){
	//nastaveni vsech tabu na stejny vzhled
	imax=3;
	for(i=1; i<=imax; i++) {
	  document.getElementById('tab_'+tab+'_'+i+'_on').className="hidden";
	  document.getElementById('tab_'+tab+'_'+i+'_off').className="";
	  document.getElementById('tab_'+tab+'_'+i+'_box').className="hidden";
	}
	//prepnuti na spravny tab
	document.getElementById('tab_'+tab+'_'+idcko+'_on').className="";
    document.getElementById('tab_'+tab+'_'+idcko+'_off').className="hidden";
    document.getElementById('tab_'+tab+'_'+idcko+'_box').className="tabs_box";
}

function delete_item(url,id,name) {
		if (confirm (name)) 
				document.location=(url+"&id="+id);
		}