$('.penile-rehab-plan input[type="submit"]').click( function(event) {
        if(
            !$('.penile-rehab-plan input[type="checkbox"][name="sunday"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="monday"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="tuesday"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="wednesday"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="thursday"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="friday"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="saturday"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="sunday1"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="monday1"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="tuesday1"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="wednesday1"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="thursday1"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="friday1"]:checked').length > 0 &&
            !$('.penile-rehab-plan input[type="checkbox"][name="saturday1"]:checked').length > 0
        ) {
            event.preventDefault();
            alert("You need to select at least a treatment for every day")
        }
    });