function ChgFrm3(frm_menu_main,frm_menu_sub,frm_contents)
{
 menu_main.location.href=frm_menu_main;
 menu_sub.location.href=frm_menu_sub;
 contents.location.href=frm_contents;
 }

function ChgFrm1(frm_contents)
{
 frame01.location.href=frm_contents;
 }

function ChgFrm4(frm_menu_main,frm_menu_sub,frm_contents,frm_header)
{
 menu_main.location.href=frm_menu_main;
 menu_sub.location.href=frm_menu_sub;
 contents.location.href=frm_contents;
 header.location.href=frm_header;
 }