function openReferFriend(url) {

    if (url == "experiment1") url = "http://www.youtube.com/watch?v=wUrVjZkj55I";
    if (url == "experiment2") url = "http://www.youtube.com/watch?v=cECaaeWoP7Y";
    if (url == "experiment3") url = "http://www.youtube.com/watch?v=w8Vmu7A6rjE";
    if (url == "intro") url = "http://www.youtube.com/watch?v=Q31qK39sKVc";
    
    // Visa panel, Visa steg 1 - göm resten
    $("#hiddenSendLinkUrl").attr("value", url);
    $("#sendLinkUrl").attr("href", url);
    $("#sendLinkUrl").html(url);
    $("#sendLinkForm").css({ "left": $(window).scrollLeft() + ($(window).width() / 2) - 240, "top": $(window).scrollTop() + ($(window).height() / 2) - 200 });
    $('#sendLinkForm').show();
    $('#linkstep1').hide(0).delay(20).slideToggle();
    $('#linkstep2').hide(0);
}

function completedReferFriend() {
    $('#sendLinkForm').show();
    $('#linkstep1').slideToggle(400);
    $('#linkstep2').slideToggle(600);
}

function closeReferFriend() {
    $('#sendLinkForm').slideToggle();
}