var win=null;

function add_response(hotel_id) {
  if (!hotel_id) return;
  window.open('/hotels/response/add.php?id='+hotel_id,'','width=600,height=535,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes');
}

function view_response(hotel_id) {
  if (!hotel_id) return;
  window.open('/hotels/response/view.php?id='+hotel_id,'','width=600,height=535,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes');
}

function imgPreview(imgSrc) {
  var x, y, w, h;
  if(self.innerHeight) {
    y = Math.round((self.innerHeight - max_height-66) / 2);
  } else {
    y = Math.round((screen.height - max_height-66) / 2);
  }
  if(self.innerWidth) {
    x = Math.round((self.innerWidth - max_width-76) / 2);
  } else {
    x = Math.round((screen.width - max_width-76) / 2);
  }
  w = max_width+100;
  h = max_height+100;
  if (w<500)
  {
	  w = 500;
  }
  if (h<650)
  {
	  h = 650;
  }
  var winParams = "left=" + x + ",top=" + y + ",width=" + w + ",height=" + h;
  win = window.open(imgSrc, "preview", "toolbar=0,scrollbars=0,location=0,directories=0,status=0,menubar=0,resizable=0," + winParams);
  win.focus();
}