/**
 * Name         : toggle()
 * Parameter    : Status des Elements (aktiv / inaktiv), ID des Elements
 * Beschreibung : Schaltet ein Inhaltselement aktiv/inaktiv
 */
function toggle(state, element_id) {
  switch (state) {
    case 'active':
      document.getElementById(element_id).style.background = 'url(i/content/'+element_id+'_hover.gif) no-repeat';
    break;
    case 'inactive':
      document.getElementById(element_id).style.background = 'url(i/content/'+element_id+'.gif) no-repeat';
    break;
  }
}

/**
 * Name         : toggle_navi()
 * Parameter    : Status des Elements (aktiv / inaktiv), ID des Elements
 * Beschreibung : Schaltet ein Navigationselement aktiv/inaktiv
 */
function toggle_navi(state, element_id) {
  switch (state) {
    case 'active':
      document.getElementById('navi_'+element_id).src = 'i/navi/navi_'+element_id+'_a.jpg';
    break;
    case 'inactive':
      document.getElementById('navi_'+element_id).src = 'i/navi/navi_'+element_id+'_i.jpg';
    break;
  }
}

/**
 * Name         : toggle_logo()
 * Parameter    : Status des Elements (Bild)
 * Beschreibung : Wechselt das Logo beim überfahren mit der Maus
 */
function toggle_logo(state) {
  switch (state) {
    case 'active':
      document.getElementById('afri_logo').src='i/afri_logo_a.jpg';
    break;
    case 'inactive':
      document.getElementById('afri_logo').src='i/afri_logo_i.gif';
    break;
  }
}


/**
 * Name         : start_video
 * Parameter    : Name des Videos
 * Beschreibung : 
 *
 *
 */
function start_video (video_name) {
  document.getElementById('video_stream').value='flv=http://afri.project/step3/swf/' + video_name + '&autoplay=1';
}

function menschlichkeit()
{
  var mensch = document.getElementById("m"+"ensch");
  var mensch_wert = mensch.alt;

  if( mensch_wert == 'leer' )
  {
    mensch.src = "/i/checked.gif";
    mensch.alt = "voll";
    var hidden_field = document.createElement("input");
    var attr_type = document.createAttribute("type");
    attr_type.nodeValue = "hidden";
    var attr_name = document.createAttribute("name");
    attr_name.nodeValue = "input[spamschutz]";
    var attr_id = document.createAttribute("id");
    attr_id.nodeValue = "human";
    var attr_value = document.createAttribute("value");
    attr_value.nodeValue = "ja";
    
    hidden_field.setAttributeNode(attr_type);
    hidden_field.setAttributeNode(attr_name);
    hidden_field.setAttributeNode(attr_id);
    hidden_field.setAttributeNode(attr_value);
    
    document.getElementById("spamschutz").appendChild(hidden_field);
  }

  if( mensch_wert == 'voll' )
  {
    mensch.src = "/i/unchecked.gif";
    mensch.alt = "leer";
    document.getElementById("spamschutz").removeChild(document.getElementById("h"+"uman"));
  }

  return;
}