icon_on = "on.gif"          // ＢＧＭオンボタン
icon_off = "off.gif"        // ＢＧＭオフボタン
icon_opac = 10                  // 暗ボタンの明度
icon_space = 2                  // ボタン間

title_on  = "BGM 演奏"
title_off = "BGM 邪魔"
title_on_off = "演奏/停止"

BGMloop = 1

/*   以上の部分は必要が有れば修正する   */ 

status = "Hero's Gallery"        

var auto_start
var sound_on 
var sound_off

function BGM(sw1_2){
  
    if (BGMstart == 2){
         sound_on = "<EMBED src='"+midi_file+"' autostart='true' hidden='true' loop='false' height=0>"
         sound_off = "<EMBED src='"+midi_file+"' autostart='false' hidden='true' loop='false' height=0>"
    }else{
         sound_on = "<EMBED src='"+midi_file+"' autostart='true' hidden='true' loop='true' height=0>"
         sound_off = "<EMBED src='"+midi_file+"' autostart='false' hidden='true' loop='true' height=0>"
    }
    
    auto_start =  BGMstart
    if(BGMstart == 2){auto_start = 1}
    if(sw1_2 == 0){auto_start = 0}
    
    s ="<span id ='bgm_id'>"
    if(auto_start == 1){ s = s + sound_on }else{ s = s + sound_off }
    s +="</span>"

    if(sw1_2==1){
        if(auto_start == 0){
             s +="<IMG src='"+icon_on+"' name='bicon' onClick='BGM1()' title='" +title_on_off+ "' style='cursor:hand' >"
        }else{
             s +="<IMG src='"+icon_off+"' name='bicon' onClick='BGM1()' title='" +title_on_off+ "' style='cursor:hand' >"
        }
    }

    if(sw1_2 == 2){
        s +="<table cellpadding=0 cellspacing=0 border=0><tr><td nowrap>"
        if(auto_start == 1){
             s +=" <IMG src='"+icon_on+"'  name='mon' onClick='BGM2(1)' title='"+title_on+"' "
             s +=" style='cursor:hand ; filter:alpha(opacity ="+icon_opac+")'>"
             s +="</td><td width="+icon_space+"></td><td nowrap>"
             s +=" <IMG src='"+icon_off+"' name='mof'  onClick='BGM2(0)' title='"+title_off+"' " 
             s +=" style='cursor:hand ; filter:alpha(opacity = 100)'>"
        }else{ 
             s +=" <IMG src='"+icon_on+"'  name='mon'  onClick='BGM2(1)' title='"+title_on+"' "
             s +=" style='cursor:hand ; filter:alpha(opacity = 100)'>"
             s +="</td><td width="+icon_space+"></td><td nowrap>"
             s +=" <IMG src='"+icon_off+"' name='mof' onClick='BGM2(0)' title='"+title_off+"' "
             s +=" style='cursor:hand ; filter:alpha(opacity ="+icon_opac+")'>"
        }
        s +="</td></tr></table>"
    }
    document.open() ; document.write(s) ; document.close()
}


/* 1 Button */
function BGM1(){

    auto_start = 1 - auto_start 
    if(auto_start == 0){ 
          document.bicon.src = icon_on  
    }else{

         document.bicon.src = icon_off  
    }
    on_off = auto_start
    timerID = setTimeout("BGMonoff(on_off)", 10)
}


/* 2 Button */
function BGM2(button2){

   if(document.all){
        if(button2 == 0){
              mon.filters['alpha'].opacity = 100
              mof.filters['alpha'].opacity = icon_opac
        } else {
              mon.filters['alpha'].opacity = icon_opac
              mof.filters['alpha'].opacity = 100
        }
    }
    on_off = button2
    timerID = setTimeout("BGMonoff(on_off)", 10)
}


/* BGM on-off */
function BGMonoff(on_off){
    if(on_off == 0){ 
          document.getElementById("bgm_id").innerHTML =  sound_off
    }else{
          document.getElementById("bgm_id").innerHTML =  sound_on
    }
}