function openWin(url, type) {
  var name = '_blank';
  var directories = 'yes';
  var location = 'yes';
  var menubar = 'yes';
  var resizable = 'yes';
  var scrollbars = 'yes';
  var status = 'yes';
  var titlebar = 'yes';
  var toolbar = 'yes';
  // Build specs
  if (type == 'CHAT') {
    var width = 600;
    var height = 400;
    var top = (screen.height) ? (screen.height - height) / 2 : 0;
    var left = (screen.width) ? (screen.width - width) / 2 : 0;
    directories = 'no';
    location = 'no';
    menubar = 'yes';
    resizable = 'yes';
    scrollbars = 'no';
    status = 'no';
    titlebar = 'no';
    toolbar = 'no';
  } else if (type == '800x600') {
    var width = 800;
    var height = 600;
    var top = (screen.height) ? (screen.height - height) / 2 : 0;
    var left = (screen.width) ? (screen.width - width) / 2 : 0;
    directories = 'no';
    location = 'no';
    menubar = 'no';
    resizable = 'yes';
    scrollbars = 'yes';
    status = 'no';
    titlebar = 'no';
    toolbar = 'no';
  } else if (type == '807x600') {
    var width = 807;
    var height = 600;
    var top = (screen.height) ? (screen.height - height) / 2 : 0;
    var left = (screen.width) ? (screen.width - width) / 2 : 0;
    directories = 'no';
    location = 'no';
    menubar = 'no';
    resizable = 'yes';
    scrollbars = 'yes';
    status = 'no';
    titlebar = 'no';
    toolbar = 'no';
  } else {
    var width = 400;
    var height = 300;
    var top = (screen.height) ? (screen.height - height) / 2 : 0;
    var left = (screen.width) ? (screen.width - width) / 2 : 0;
    directories = 'no';
    location = 'no';
    menubar = 'no';
    resizable = 'yes';
    scrollbars = 'yes';
    status = 'no';
    titlebar = 'no';
    toolbar = 'no';
  }
  var specs = '';
  specs += 'height=' + height + ',width=' + width + ',left=' + left + ',top=' + top;
  specs += ',directories=' + directories + ',location=' + location + ',menubar=' + menubar + ',resizable=' + resizable;
  specs += ',scrollbars=' + scrollbars + ',status=' + status;
  specs += ',titlebar=' + titlebar + ',toolbar=' + toolbar;
  // History
  var replace = true;
  window.open(url, name, specs, replace);
  return false;
}