var ie = document.all ? 1:0;

 var ns = ie ? 0 : 1;

  function getLayer(l, p) {

   var ob;

   if (ie)  ob = document.all[l].style;

    else {

     if (p)  ob = document.layers[p].document.layers[l];

       else  ob = document.layers[l];

   } 

   if (!ob)  alert("CANT FIND "+p+":"+l);

    return ob;

  }

  function showLayer(l, p) { // layer, parent

    getLayer(l, p).visibility = ie?'visible':'show';

  }

  function hideLayer(l, p) { // layer, parent

    getLayer(l, p).visibility = ie?'hidden':'hide';

  }

  function getImageOb(n, l, p) {

   if (ns && l)  return getLayer(l, p).document.images[n];

    else return document.images[n];

  }

  function setImageSrc(n, s, l, p) {

    getImageOb(n, l, p).src = s;

  }

  function setLayerXY(l, x, y, p) {

  var lOb = getLayer(l, p);


   if (ie) {

     lOb.posLeft = x;

     lOb.posTop = y;

   } else {

     lOb.left = x;

     lOb.top = y;

   }

  }

  function setLayerY(l, y, p) {

   if (ie)  getLayer(l, p).posTop = y;

    else getLayer(l, p).top = y;

  }

  function setLayerX(l, x, p) {

   if (ie)  getLayer(l, p).posLeft = x;

    else getLayer(l, p).left = x;

  }

  function setLayerZ(l, z, p) {

    getLayer(l, p).zIndex = z;

  }

  function getLayerY(l, p) {

    return ie?(getLayer(l, p).posTop):(getLayer(l, p).top);

  }

  function getLayerX(l, p) {

    return ie?(getLayer(l, p).posLeft):(getLayer(l, p).left);

  }

  function getLayerZ(l, p) {

    return getLayer(l, p).zIndex;

  }

  function getLayerHeight(l, p) {

    return ie ? (document.all[l].scrollHeight) : (getLayer(l, p).document.height);

  }

  function getLayerWidth(l, p) {

    return ie ? (document.all[l].scrollWidth) : (getLayer(l, p).document.width);

  }

  function layerWrite(str, l, p) {

   if (ie)

     document.all[l].innerHTML = str;

   else {

    var ob = getLayer(l, p).document;

     ob.open();

     ob.write(str);

     ob.close();

   }

  }

  

  function setLayerClip(iX, iY, fX, fY, l, p) {

   var ob = getLayer(l, p);

   

   if (ie) 

     ob.clip = "rect(" + iY + "px " + fX + "px " + fY + "px " + iX + "px)";

   else {

     ob.clip.left = iX;

     ob.clip.top = iY;

     ob.clip.right = fX;

     ob.clip.bottom = fY;

   }

  }

  function getWindowHeight() {

    return (ie ? document.body.clientHeight : window.innerHeight);    

  }

  function getWindowWidth() {

    return (ie ? document.body.clientWidth : window.innerWidth);    

  }

  function centerLayerV(l, yOfs, p) {

   var Y = Math.round( (getWindowHeight() - getLayerHeight(l, p)) / 2 ) + (yOfs ? yOfs : 0);

    setLayerY(l, (Y < 0) ? 0 : Y, p);

  }

  function centerLayerH(l, xOfs, p) {

   var X = Math.round( (getWindowWidth() - getLayerWidth(l, p)) / 2 ) + (xOfs ? xOfs : 0);

    setLayerX(l, (X < 0) ? 0 : X, p);

  }