// PHP Layers Menu 3.2.0-rc (C) 2001-2004 Marco Pratesi - http://www.marcopratesi.it/

layerLeft = new Array();
layerTop = new Array();

function setVisibility(layer, on) {
  if (on) {
    if (DOM) {
      document.getElementById(layer).style.visibility = 'visible';
    } else if (NS4) {
      document.layers[layer].visibility = 'show';
    } else {
      document.all[layer].style.visibility = 'visible';
    }
  } else {
    if (DOM) {
      document.getElementById(layer).style.visibility = 'hidden';
    } else if (NS4) {
      document.layers[layer].visibility = 'hide';
    } else {
      document.all[layer].style.visibility = 'hidden';
    }
  }
}

function isVisible(layer) {
  if (DOM) {
    return (document.getElementById(layer).style.visibility == 'visible');
  } else if (NS4) {
    return (document.layers[layer].visibility == 'show');
  } else {
    return (document.all[layer].style.visibility == 'visible');
  }
}

function setLeft(layer, x) {
  layerLeft[layer] = x;
  if (DOM && !Opera5) {
    document.getElementById(layer).style.left = x + 'px';
  } else if (Opera5) {
    document.getElementById(layer).style.left = x;
  } else if (NS4) {
    document.layers[layer].left = x;
  } else {
    document.all[layer].style.pixelLeft = x;
  }
}

function getOffsetLeft(layer) {
  var value = 0;
  if (DOM) {  // Mozilla, Konqueror >= 2.2, Opera >= 5, IE
    object = document.getElementById(layer);
    value = object.offsetLeft;
    while (object.tagName != 'BODY' && object.offsetParent) {
      object = object.offsetParent;
      value += object.offsetLeft;
    }
  } else if (NS4) {
    value = document.layers[layer].pageX;
  } else {  // IE4 IS SIMPLY A BASTARD !!!
    if (document.all['IE4' + layer]) {
      layer = 'IE4' + layer;
    }
    object = document.all[layer];
    value = object.offsetLeft;
    while (object.tagName != 'BODY') {
      object = object.offsetParent;
      value += object.offsetLeft;
    }
  }
  return (value);
}

function setTop(layer, y) {
  layerTop[layer] = y;
  if (DOM && !Opera5) {
    document.getElementById(layer).style.top = y + 'px';
  } else if (Opera5) {
    document.getElementById(layer).style.top = y;
  } else if (NS4) {
    document.layers[layer].top = y;
  } else {
    document.all[layer].style.pixelTop = y;
  }
}

function getOffsetTop(layer) {
  var value = 0;
  if (DOM) {
    object = document.getElementById(layer);
    value = object.offsetTop;
    while (object.tagName != 'BODY' && object.offsetParent) {
      object = object.offsetParent;
      value += object.offsetTop;
    }
  } else if (NS4) {
    value = document.layers[layer].pageY;
  } else {  // IE4 IS SIMPLY A BASTARD !!!
    if (document.all['IE4' + layer]) {
      layer = 'IE4' + layer;
    }
    object = document.all[layer];
    value = object.offsetTop;
    while (object.tagName != 'BODY') {
      object = object.offsetParent;
      value += object.offsetTop;
    }
  }
  return (value);
}

function setWidth(layer, w) {
  if (DOM) {
    document.getElementById(layer).style.width = w;
  } else if (NS4) {
  } else {
    document.all[layer].style.pixelWidth = w;
  }
}

function getOffsetWidth(layer) {
  var value = 0;
  if (DOM && !Opera56) {
    value = document.getElementById(layer).offsetWidth;
  } else if (NS4) {
    value = document.layers[layer].document.width;
  } else if (Opera56) {
    value = document.getElementById(layer).style.pixelWidth;
  } else {  // IE4 IS SIMPLY A BASTARD !!!
    if (document.all['IE4' + layer]) {
      layer = 'IE4' + layer;
    }
    value = document.all[layer].offsetWidth;
  }
  return (value);
}

function setHeight(layer, h) {
  if (DOM) {
    document.getElementById(layer).style.height = h;
  } else if (NS4) {
  } else {
    document.all[layer].style.pixelHeight = h;
  }
}

function getOffsetHeight(layer) {
  var value = 0;
  if (DOM && !Opera56) {
    value = document.getElementById(layer).offsetHeight;
  } else if (NS4) {
    value = document.layers[layer].document.height;
  } else if (Opera56) {
    value = document.getElementById(layer).style.pixelHeight;
  } else {  // IE4 IS SIMPLY A BASTARD !!!
    if (document.all['IE4' + layer]) {
      layer = 'IE4' + layer;
    }
    value = document.all[layer].offsetHeight;
  }
  return (value);
}

function getWindowWidth() {
  var value = 0;
  if ((DOM && !IE) || NS4 || Konqueror || Opera) {
    value = window.innerWidth;
  } else {  // IE
    if (document.documentElement && document.documentElement.clientWidth) {
      value = document.documentElement.clientWidth;
    } else if (document.body) {
      value = document.body.clientWidth;
    }
  }
  if (isNaN(value)) {
    value = window.innerWidth;
  }
  return (value);
}

function getWindowXOffset() {
  var value = 0;
  if ((DOM && !IE) || NS4 || Konqueror || Opera) {
    value = window.pageXOffset;
  } else {  // IE
    if (document.documentElement && document.documentElement.scrollLeft) {
      value = document.documentElement.scrollLeft;
    } else if (document.body) {
      value = document.body.scrollLeft;
    }
  }
  return (value);
}

function getWindowHeight() {
  var value = 0;
  if ((DOM && !IE) || NS4 || Konqueror || Opera) {
    value = window.innerHeight;
  } else {  // IE
    if (document.documentElement && document.documentElement.clientHeight) {
      value = document.documentElement.clientHeight;
    } else if (document.body) {
      value = document.body.clientHeight;
    }
  }
  if (isNaN(value)) {
    value = window.innerHeight;
  }
  return (value);
}

function getWindowYOffset() {
  var value = 0;
  if ((DOM && !IE) || NS4 || Konqueror || Opera) {
    value = window.pageYOffset;
  } else {  // IE
    if (document.documentElement && document.documentElement.scrollTop) {
      value = document.documentElement.scrollTop;
    } else if (document.body) {
      value = document.body.scrollTop;
    }
  }
  return (value);
}