/* js funkce*/

function pozadi1(i,typ)
{
   document.getElementById('z1').className='zalozka_1';
   document.getElementById('z2').className='zalozka_1';
   document.getElementById('z3').className='zalozka_1';	
   document.getElementById('z4').className='zalozka_2';	
   document.getElementById('z5').className='zalozka_2';	
   
   if(typ==1)
   {
   document.getElementById(i).className='zalozka_1_a';	
   }
   if(typ==2)
   {
   document.getElementById(i).className='zalozka_2_a';	
   }
}

function prepni_obsah(m)
{
   document.getElementById('mapa1').style.display = 'none';
   document.getElementById('mapa2').style.display = 'none';
   document.getElementById('mapa3').style.display = 'none';
   document.getElementById('mapa4').style.display = 'none';
   document.getElementById('mapa5').style.display = 'none';
   
   document.getElementById(m).style.display = 'block';
}


function zobr(id)
{
if(document.getElementById(id).style.display=='none')
{
document.getElementById(id).style.display='block';
}
else
{
document.getElementById(id).style.display='none';
 }
}

function zobr2(id)
{
document.getElementById(id).style.display='none';
}


function zobr3(id)
{
document.getElementById(id).style.display='block';
}




function open_new(w,h) 
{
Okno=window.open("","JSL",'toolbar=0,location=0,scrollbars=1,width='+w+',height='+h+',resizable=1,top=50,left=50');
Okno.focus();
}

var oldLink = null;
function selected(cal, date) {
  cal.sel.value = date; // just update the date in the input field.
  if (cal.sel.id == "sel1" || cal.sel.id == "sel3")
    cal.callCloseHandler();
}

function closeHandler(cal) {
  cal.hide();                        // hide the calendar
}
function showCalendar(id, format) {
  var el = document.getElementById(id);
  if (calendar != null) {
    calendar.hide();                 // so we hide it first.
  } else {
    var cal = new Calendar(true, null, selected, closeHandler);
    // cal.weekNumbers = false;
    calendar = cal;                  // remember it in the global var
    cal.setRange(2003, 2070);        // min/max year allowed.
    cal.create();
  }
  calendar.setDateFormat(format);    // set the specified date format
  calendar.parseDate(el.value);      // try to parse the text in field
  calendar.sel = el;                 // inform it what input field we use
  calendar.showAtElement(el);        // show the calendar below it

  return false;
}

var MINUTE = 60 * 1000;
var HOUR = 60 * MINUTE;
var DAY = 24 * HOUR;
var WEEK = 7 * DAY;

function isDisabled(date) {
  var today = new Date();
  return (Math.abs(date.getTime() - today.getTime()) / DAY) > 10;
}

function flatSelected(cal, date) {
  var el = document.getElementById("preview");
  el.innerHTML = date;
}