// JavaScript Document
$(document).ready(function(){
  $("li").click(function(){
    $("li").removeClass("selected","selected:link","selected:visited","selected:hover","selected:active","main","main:link","main:visited","main:active");
  $(this).addClass("selected","selected:link","selected:visited","selected:hover","selected:active");
  });
});


function showonlyone(thechosenone) {
     $('div[name|="parts"]').each(function(index) {
          if ($(this).attr("id") == thechosenone) {
               $(this).show(100);
          }
          else {
               $(this).hide();
          }
     });
}