window.onload = function() {
  var tab = gup('t');
  if (tab != '') {
    show_hide_tab(tab);
  }
}

function gup( name )
{
  // From http://www.netlobo.com/url_query_string_javascript.html
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}