Shadowbox.init({
    // let's skip the automatic setup because we don't have any
    // properly configured link elements on the page
    skipSetup: true,
    // include the html player because we want to display some html content
    players: ["iframe"]
});
function show_signup(id){
  //alert(id);
    if(id==1){
        // open a welcome message as soon as the window loads
        Shadowbox.open({
            content:    '/member.php',
            player:     'iframe',
            title:      ' ',
            height:     293,
            width:     415
        });
    }else if(id==2){
        Shadowbox.open({
            content:    '<iframe title="YouTube video player" width="480" height="390" src="http://www.youtube.com/embed/ZM3iE68xstE" frameborder="0" allowfullscreen></iframe>',
            player:     'html',
            title:      'CONTROLLERS',
            height:     390,
            width:     480
        });
    }
};