function namosw_init_float_layers()
{
  var name;
  var layer;
  var i;
  var j;

  j = 0;
  document._float_layers = new Array(Math.max(1, namosw_init_float_layers.arguments.length/2));
  for (i = 0; i < namosw_init_float_layers.arguments.length; i += 2) {
    name  = namosw_init_float_layers.arguments[i];
    if (name == '')
      return;
    if (navigator.appName.indexOf('Netscape', 0) != -1) {
      layer = document.layers[name];
      layer._fl_pos_left = layer.left;
      layer._fl_pos_top  = layer.top;
    } else {
      layer = document.all[name];
      layer._fl_pos_left = layer.style.pixelLeft;
      layer._fl_pos_top  = layer.style.pixelTop;
    }
    layer._fl_pos = namosw_init_float_layers.arguments[i+1];
    if (layer)
      document._float_layers[j++] = layer;
  }

  document._fl_interval = setInterval('namosw_process_float_layers()', 200);
}

function namosw_page_width()
{
  return (navigator.appName.indexOf('Netscape', 0) != -1) ? innerWidth  : document.body.clientWidth;
}

function namosw_page_height()
{
  return (navigator.appName.indexOf('Netscape', 0) != -1) ? innerHeight : document.body.clientHeight;
}

function namosw_process_float_layers()
{
  if (document._float_layers) {
      var i;
      var layer;
      for (i = 0; i < document._float_layers.length; i++) {
	  layer = document._float_layers[i];
	  if (navigator.appName.indexOf('Netscape', 0) != -1) {
	    if (layer._fl_pos == 1)
	      layer.left = layer._fl_pos_left + window.pageXOffset;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 5) 
	      layer.left = window.pageXOffset;
	    else if (layer._fl_pos == 3 || layer._fl_pos == 6) 
	      layer.left = window.pageXOffset + (namosw_page_width() - layer.clip.width)/2;
	    else
	      layer.left = window.pageXOffset + namosw_page_width() - layer.clip.width - 16;
	    if (layer._fl_pos == 1)
	      layer.top = layer._fl_pos_top + window.pageYOffset;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 3 || layer._fl_pos == 4)
	      layer.top = window.pageYOffset;
	    else
	      layer.top  = window.pageYOffset + namosw_page_height() - layer.clip.height;
	  } else {
	    if (layer._fl_pos == 1)
	      layer.style.pixelLeft = layer._fl_pos_left + document.body.scrollLeft;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 5)
	      layer.style.pixelLeft = document.body.scrollLeft;
	    else if (layer._fl_pos == 3 || layer._fl_pos == 6)
	      layer.style.pixelLeft = document.body.scrollLeft + (namosw_page_width() - layer.style.pixelWidth)/2;
	    else
	      layer.style.pixelLeft = document.body.scrollLeft + namosw_page_width()  - layer.style.pixelWidth;
	    if (layer._fl_pos == 1)
	      layer.style.pixelTop = layer._fl_pos_top + document.body.scrollTop;
	    else if (layer._fl_pos == 2 || layer._fl_pos == 3 || layer._fl_pos == 4)
	      layer.style.pixelTop = document.body.scrollTop;
	    else
	      layer.style.pixelTop  = document.body.scrollTop  + namosw_page_height() - layer.style.pixelHeight;
         }
      }
  }
}

function setmm(w, h, sensor) {
document.qform.w.value = w;
document.qform.h.value = h;
document.qform.sensor.value = sensor;
};

function arcdeg(x, f) {	
var deg; 
deg= Math.atan(x/(2*f)) * 360 / Math.PI;
//deg = deg + deg*0.1;
return " " + String(Math.floor(deg)) + String.fromCharCode(176) + " " + String(Math.round((deg*60)%60)) + "'";
}

function angle(form) {

var f, w, h, d;
f = Number(form.f.value);
w = Number(form.w.value);
h = Number(form.h.value);
d = Math.round(Math.sqrt(w*w + h*h) * 100)/100;
form.d.value = d;

form.wdeg.value = arcdeg(w, f);
form.hdeg.value = arcdeg(h, f);
form.ddeg.value = arcdeg(d, f);

}