window.onerror = new Function("return true");
  var obj = [];
  var scr;
  var spa;
  var img;
  var W;
  var Wi;
  var Hi;
  var wi;
  var hi;
  var Sx;
  var Sy;
  var M;
  var xm;
  var ym;
  var xb = 0;
  var yb = 0;
  var ob =  - 1;
  var cl = false;

  /* needed in standard mode */
  px = function(x)
  {
    return Math.round(x) + "px";
  }

  /* center image  - do not resize for perf. reason */
  img_center = function(o)
  {
    with(img[o])
    {
      style.left = px( - (width - Wi) / 2);
      style.top = px( - (height - Hi) / 2);
    }
  }

  var Nx = 4; // Number of pictures wide
  var Ny = 6; // Number of pictures tall
  var Tx = 2; // Number of rows wide
  var Ty = 3; // Number of rows tall
  var Mg = 40; // Margin - doesnt work
  var SP = 1; // Javascript math speed variabl

  function imgObject(o, x, y)
  {
    this.o = o;
    this.ix = Math.min(Nx - Tx, Math.max(0, Math.round(x - (Tx / 2))));
    this.iy = Math.min(Ny - Ty, Math.max(0, Math.round(y - (Ty / 2))));
    this.li = ((this.ix * M + this.ix * Sx) - (x * M + x * Sx)) / SP;
    this.ti = ((this.iy * M + this.iy * Sy) - (y * M + y * Sy)) / SP;
    this.l = 0;
    this.t = 0;
    this.w = 0;
    this.h = 0;
    this.s = 0;
    this.mv = false;
    this.spa = spa[o].style;
    this.img = img[o];
    this.txt = img[o].alt;
    img[o].alt = "";

    /* zooming loop */
    this.zoom = function()
    {
      with(this)
      {
        l += li * s;
        t += ti * s;
        w += wi * s;
        h += hi * s;
        if ((s > 0 && w < Wi) || (s < 0 && w > Sx))
        {
          /* force window.event */
          window.focus();
          /* loop */
          setTimeout("obj[" + o + "].zoom()", 16);
        }
          else
        {
          /* finished */
          mv = false;
          /* set final position */
          if (s > 0)
          {
            l = ix * M + ix * Sx;
            t = iy * M + iy * Sy;
            w = Wi;
            h = Hi;
          }
          else
          {
            l = x * M + x * Sx;
            t = y * M + y * Sy;
            w = Sx;
            h = Sy;
          }
        }
        /* html animation */
        with(spa)
        {
          left = px(l);
          top = px(t);
          width = px(w);
          height = px(h);
          zIndex = Math.round(w);
        }
      }
    }

    this.click = function()
    {
      with(this)
      {
        img_center(o);
        /* zooming logic */
        if ( ! mv || cl)
        {
          if (s > 0)
          {
            if (cl || Math.abs(xm - xb) > Sx * .4 || Math.abs(ym - yb) > Sy * .4)
            {
              s =  - 2;
              mv = true;
              zoom();
              cap.innerHTML = txt;
            }
          }
          else
            {
            if (cl || ob != o)
            {
              if (ob >= 0)
              {
                with(obj[ob])
                {
                  s =  - 2;
                  mv = true;
                  zoom();
                }
              }
              ob = o;
              s = 1;
              xb = xm;
              yb = ym;
              mv = true;
              zoom();
              cap.innerHTML = txt;
            }
          }
        }
      }
    }

    img[o].onmouseover = img[o].onmousemove = img[o].onmouseout = new Function("cl=false;obj[" + o + "].click()");
    img[o].onclick = new Function("cl=true;obj[" + o + "].click()");
    img[o].onload = new Function("img_center(" + o + ")");

    /* initial display cause i suck at this shit */
    this.zoom();
  }

  /* mouse */
  document.onmousemove = function(e)
  {
    if ( ! e)
    {
      e = window.event;
    }
    xm = (e.x || e.clientX);
    ym = (e.y || e.clientY);
  }

  /* init */
  function load()
  {
    /* html elements */
    scr = document.getElementById("screen");
    spa = scr.getElementsByTagName("span");
    img = scr.getElementsByTagName("img");
    cap = document.getElementById("caption");

    /* mouseover border */
    document.getElementById("border").onmouseover = function()
    {
      cl = true;
      if(ob >= 0 && obj[ob].s > 0) obj[ob].click();
      ob = -1;
    }

    /* global variables */
    W = parseInt(scr.style.width);
    H = parseInt(scr.style.height);
    M = W / Mg;
    Sx = (W - (Nx - 1) * M) / Nx;
    Sy = (H - (Ny - 1) * M) / Ny;
    Wi = Tx * Sx + (Tx - 1) * M;
    Hi = Ty * Sy + (Ty - 1) * M;
    SP = M * Tx * SP;
    wi = (Wi - Sx) / SP;
    hi = (Hi - Sy) / SP;

    /* create objects */
    for (k = 0, i = 0; i < Nx; i ++)
    {
      for (j = 0; j < Ny; j ++)
      {
        obj[k] = new imgObject(k ++, i, j);
      }
    }
  }