function removeChildren(c) {
  var kids=c.childNodes;
  for (j=0; j < kids.length; j++) {
    c.removeChild(kids[j]);
  }
}

function SelectCategory(nodeID, lang) {
  var categories = document.getElementsByName("categoryID");
  var number = categories.length;
  var categoryIDs = '0';

  for(var i=0; i<number; i++) {
    if(categories[i].checked == true)
      categoryIDs=categoryIDs+','+categories[i].value;
  }
  if(categoryIDs!='0')
  {
    categoryIDs=categoryIDs.replace('0,', '');
    window.location.href="/index.php?id="+nodeID+"&lang="+lang+"&cid=1"+"&categoryIDs="+categoryIDs;
  }
  else
    alert('Please at least choose one category!');
}

function showMenu(obj, nodeID, show) {
  var pos = findPosition(obj);
  var layerID = "menu"+nodeID;
  var layer = document.getElementById(layerID);

  if(layer) {
    layer.style.left=pos[0];
    layer.style.top=pos[1]+20;
  }

  if(show) {
    obj.className="nav2selected";
    MM_showHideLayers(layerID, "", "show");
  }
  else {
    obj.className="nav2";
    MM_showHideLayers(layerID, "", "hide");
  }
}

function resizeMenu(nodeID, subNodeNumber) {
  var layerID = "menu"+nodeID;
  var layer = document.getElementById(layerID);

  layer.style.height=(subNodeNumber-1)*20+(subNodeNumber-2)*3;
}

function findPosition( oLink ) {
  if( oLink.offsetParent ) {
    for( var posX = 0, posY = 0; oLink.offsetParent; oLink = oLink.offsetParent ) {
      posX += oLink.offsetLeft;
      posY += oLink.offsetTop;
    }
    return [ posX, posY ];
  } else {
    return [ oLink.x, oLink.y ];
  }
}


function slideStart(slide) {

  var img = document.getElementById("slidestart");

    slide.next();
    slide.play();

}

function slidePause(slide) {

  var img = document.getElementById("slidestart");
    slide.pause();
}

function slideStop(slide) {
  var img = document.getElementById("slidestart");

  img.src="images/nip/start.jpg";
  isPause=false;
  slide.goto_slide(0);
  slide.pause();
}