function login_cookies () {
  if(document.getElementById('login_cookies').value == 1) {
    document.getElementById('login_cookies_check').className = 'check';
    document.getElementById('login_cookies').value = "";
  } else {
    document.getElementById('login_cookies_check').className = 'checked';
    document.getElementById('login_cookies').value = 1;
  }
}

function screensize () {
	if (screen.width > 1024) {
	  document.getElementById('site').className = "site_big";
	} else {
	  document.getElementById('site').className = "site_1024";
	}
}

function feature(id) {
  if(id == 1) {
    document.getElementById('videos_box').style.display = 'none';
    document.getElementById('threads_box').style.display = 'none';
    document.getElementById('blogs_box').style.display = 'block';
    document.getElementById('videos_bottom').style.display = 'none';
    document.getElementById('threads_bottom').style.display = 'none';
    document.getElementById('blogs_bottom').style.display = 'block';
    document.getElementById('videos').className = '';
    document.getElementById('threads').className = '';
    document.getElementById('blogs').className = 'aktiv';
  } else if(id == 2) {
    document.getElementById('videos_box').style.display = 'block';
    document.getElementById('threads_box').style.display = 'none';
    document.getElementById('blogs_box').style.display = 'none';
    document.getElementById('videos_bottom').style.display = 'block';
    document.getElementById('threads_bottom').style.display = 'none';
    document.getElementById('blogs_bottom').style.display = 'none';
    document.getElementById('videos').className = 'aktiv';
    document.getElementById('threads').className = '';
    document.getElementById('blogs').className = '';
  } else if(id == 3) {
    document.getElementById('videos_box').style.display = 'none';
    document.getElementById('threads_box').style.display = 'block';
    document.getElementById('blogs_box').style.display = 'none';
    document.getElementById('videos_bottom').style.display = 'none';
    document.getElementById('threads_bottom').style.display = 'block';
    document.getElementById('blogs_bottom').style.display = 'none';
    document.getElementById('videos').className = '';
    document.getElementById('threads').className = 'aktiv';
    document.getElementById('blogs').className = '';
  }
}