// ------------------------------------------ funkce pro otevirani novych oken
function okno(soubor) {
  window.open(soubor,'','toolbar=yes,scrollbars=yes,location=yes,status=yes,resizable=1,menubar=yes')
}

// ------------------------------------------ funkce pro pridani smajliku do fora
function insert_smile(type) {
	document.getElementById("cely_text").value=document.getElementById("cely_text").value+" "+type+" ";
	document.getElementById("cely_text").value.focus();
}

// ------------------------------------------ funkce pro emailu pro odeslani clanku
function validate_odeslat(formular)  {
 	if((formular.email.value.indexOf("@") < 1 || formular.email.value.indexOf("@") != formular.email.value.lastIndexOf("@") || formular.email.value.lastIndexOf(".") < formular.email.value.lastIndexOf("@")+2  || formular.email.value.lastIndexOf(".") > (formular.email.value.length-3) || formular.email.value.lastIndexOf(".") < (formular.email.value.length-4))) { 
		alert ("CHYBA: vyplňte prosím správně svůj email!");
		return false;
  }
}

// ------------------------------------------ funkce pro kontrolu vyberu v ankete
function validate_anketa(formular)  {
	if ((!formular.anketa[0].checked) && (!formular.anketa[1].checked) && (!formular.anketa[2].checked) && (!formular.anketa[3].checked) && (!formular.anketa[4].checked)) {
		alert ("CHYBA: vyberte prosím alespoň jednu možnost!");
		return false;
  }
}

// ------------------------------------------ zmeni tridu (class) objektu s danym ID
function ZmenTridu(trida,id)  {
  document.getElementById(id).className = trida;
}

// ------------------------------------------ fce pro vysouvaci menu
var PocetMenu = 7;
function Show(CisMenu)    {
  var menu = document.getElementById('submenu'+CisMenu);	
  var menu2 = document.getElementById('menu'+CisMenu);	
  menu.style.visibility="visible";
  menu2.className="show";
}

function Hide() {
  var menu,menu2, i;
  for(i=1; i<=PocetMenu; i++) {
      menu = document.getElementById('submenu'+i);	
      menu.style.visibility="hidden";
	  menu2 = document.getElementById('menu'+i);	
      menu2.className="";
  }
}

// ------------------------------------------ fce pro vysouvaci menu 2
var PocetMenu2 = 9;
function Show2(CisMenu)    {
  var menu = document.getElementById('submenu_right'+CisMenu);	
  menu.style.visibility="visible";
}

function Hide2() {
  var menu, i;
  for(i=1; i<=PocetMenu2; i++) {
      menu = document.getElementById('submenu_right'+i);	
      menu.style.visibility="hidden";
  }
}