//--(c)2008 fei.carlos-web.com--
function selectall(form, type) { //vyber selectboxu
  var polozky = window.document.getElementById(form).getElementsByTagName('input');
  for (var i=0; i < polozky.length; i++) if (polozky[i].checked != type) polozky[i].checked = type;
  return false;
}

function stahnout(form) { //odesle form + kontrola
  var polozky = window.document.getElementById(form).getElementsByTagName('input');
  var test = false;
  for (var i=0; i < polozky.length; i++) if (polozky[i].checked== true) {
		test = true;
		break;
  }
  if (test) window.document.getElementById(form).submit(); else alert('Nevybrali jste žádnou položku ke stažení!'); //odesle form
  return false;
}

function showUpload() { //zobrazeni formu pro upload
  window.document.getElementById('uploadfiles').style.visibility = 'visible';
  window.document.getElementById('uploadfiles').style.display = 'block';
  return true;
}

function showInfo() { //zobrazeni informacni hlasky
  var p = document.createElement("p");
  p.appendChild(document.createTextNode("Odesílám data na server..."));
  p.style.textAlign = 'left';
  p.style.backgroundColor = '#0000AA';
  p.style.color = '#ffffff';
  p.style.top = '5px';
  p.style.left = '5px';
  p.style.padding = '5px';
  p.style.position = 'fixed';
  document.body.appendChild(p);
}

function check_mkdir() { //kontrola formulare novy adresar
	if (window.document.getElementById('mkdir').value != '') {
		return true;
	} else {
		alert('Zadejte název adresáře!');
		return false;
	}
}

function check_upload() { //kontrola formulare upload
	var file = window.document.getElementById('upload').value;
	var ext = file.substring(file.lastIndexOf('.'), file.length);
	ext = ext.toLowerCase();
	if ((file != '') && (ext != ".php") && (ext != ".phtml") && (ext != ".exe") && (ext != ".com")) {
		showInfo(); //zobrazeni infa o uploadu
		return true;
	} else {
		alert('Neplatné umístění nebo chybný typ souboru!');
		return false;
	}
}