//---------------------------------------------------------------------
function load_img(id, h, w)
{
	var l = (screen.width  - w)/2;
 	var t = (screen.height - h)/2;
	window.open('/img.php?img='+id, '', 'resizable=yes,scrollbars=yes,height='+h+',width='+w+',top='+t+',left='+l);
}

//--------------------------------------------------------
function findOffsetTop (o) {
  var x = o.offsetLeft, y = o.offsetTop;
  while (o = o.offsetParent) {
     x += o.offsetLeft;
     y += o.offsetTop;
  }
  return {left:x, top:y};
};
//--------------------------------------------------------
function showRegion(id, ww, hh, display)
{
	for (i = 0; ;i++)
	{
		if (!document.getElementById('regionDiv'+i))
			break;
		document.getElementById('regionDiv'+i).style.display = 'none';
	}
	obj = document.getElementById('regionDiv'+id);
	if (!display)
		display = 'block';
	LeftTop = findOffsetTop(document.getElementById('MapRegions'));
	obj.style.left = LeftTop['left']+ww+'px';
	obj.style.top = LeftTop['top']+hh+'px';
	obj.style.display = display;
}