function openCenteredWindow(url, width, height, name, parms) {
  var left = Math.floor( (screen.width - width) / 2);
  var top = Math.floor( (screen.height - height) / 2);
  var winParms = "top=" + top + ",left=" + left + ",height=" + height + ",width=" + width;
  if (parms) { winParms += "," + parms; }
  var win = window.open(url, name, winParms);
  if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
  if (win.opener == null) win.opener = self;
  return win;
}

function myestatesGalleryOpen(adv_id) {
  openCenteredWindow('gallery/?id='+adv_id, '640', '480', '', '');
}


function showPhoto(name,id, widht, height)
	{
	window.open(name,id,'width='+widht+',height='+height+',menubar=0,resizable=1,status=0,toolbar=0,');		
	}