function toggle(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

function highlight_row(obj,w,color){
    var tds = obj.getElementsByTagName('td');
    for(i=0;i < tds.length;i++) {
        if (w == 1) {
            tds[i].style.backgroundColor = color;
        } else tds[i].style.backgroundColor = "";
    }
}

function Filtr (adresa)
{
  var nova_adresa=adresa;
  if ( (nova_adresa != "") && (nova_adresa != null) )
  {
    window.location=adresa;
  }
}

function poukazy()
{
  // stahneme pocty 
  var poukaz500 = document.forms[0].poukaz500.value;  
  var poukaz1000 = document.forms[0].poukaz1000.value; 
  var poukaz2000 = document.forms[0].poukaz2000.value; 
  var poukaz5000 = document.forms[0].poukaz5000.value;
	
  var soucet = 0;
  
  if (IsNumeric(poukaz500))
  {
	  soucet = eval(soucet + (poukaz500 * 500));
  }
  if (IsNumeric(poukaz1000))
  {
  soucet = eval(soucet + (poukaz1000 * 1000));
  }
  if (IsNumeric(poukaz2000))
  {
  soucet = eval(soucet + (poukaz2000 * 2000));
  }
  if (IsNumeric(poukaz5000))
  {
  soucet = eval(soucet + (poukaz5000 * 5000));
  }
  
  document.getElementById('cenaCelkem').value = soucet + " Kč";
  
  
}
function IsNumeric(input)
{
   return (input - 0) == input && input.length > 0;
}



var xmlHttpReq;
if(typeof XMLHttpRequest != 'undefined')
{
  try
  {
    xmlHttpReq = new XMLHttpRequest();
  }
  catch(e)
  {
          try {
            xmlHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
          } catch (e) {
          try {
            xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
          } catch (E) {
            xmlHttpReq = false;
          }
         }
  }
}
else
{
  try {
          xmlHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
        try {
          xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (E) {
          xmlHttpReq = false;
        }
  }
}
var data = "";
function datePosun(datum, posun)
{	
	var data = sendRequest("POST", "/date.php", "func=posun&date=" + datum + "&posun=" + posun) ;
	
	document.getElementById('dateOdjezd').value = data;
   
}
function sendRequest(getOrPost, page, params)
{
  var strResult;
  if(getOrPost.toUpperCase() == "POST")
  {
    xmlHttpReq.open("POST", page, false);
    xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xmlHttpReq.send(params);
  }
  else
  {
    xmlHttpReq.open("GET", page + "?" + params, false);
    xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    xmlHttpReq.send(null);
  }
  strResult = xmlHttpReq.responseText;
  return strResult;
}