def start_response(resp="text/html"):
    return('Content-type: ' + resp + '\n\n')

def html_header(title="default"):
    return("""
    <head>
    <meta charset="utf-8" />
    <title>""" + title + """</title>
    </head>"""
    )

def start_form(the_url, form_type="POST"):
    return('<form action="' + the_url + '" method="' + form_type + '">')

def end_form(submit_msg="Submit"):
    return('<p></p><input type=submit value="' + submit_msg + '"></form>')

def radio_button(rb_name, rb_value):
    return('<input type="radio" name="' + rb_name +
                             '" value="' + rb_value + '"> ' + rb_value + '<br />')

def text_field(tf_name, tf_value, tf_size=30, tf_maxlength=30):
    return('<input type="text" name="' + tf_name + '" value="' + tf_value +
           '" size="' + tf_size + '" maxlength="' + tf_maxlength + '" >')

def u_list(items):
    u_string = '<ul>'
    for item in items:
        u_string += '<li>' + item + '</li>'
    u_string += '</ul>'
    return(u_string)

def header(header_text, header_level=2):
    return('<h' + str(header_level) + '>' + header_text +
           '</h' + str(header_level) + '>')

def para(para_text):
    return('<p>' + para_text + '</p>')

def include_footer(the_links):
    link_string = ''
    for key in the_links:
        link_string += '<a href="' + the_links[key] + '">' + key + '</a>&nbsp;&nbsp;&nbsp;&nbsp;'
    return(link_string) 