var menu4_on=new Image();
var menu4_off=new Image();
menu4_on.src="img/top/menu4_on.gif";
menu4_off.src="img/top/menu4.gif";
function menu4_over(targetimage){
  if(targetimage=="menu4"){
    document.images[targetimage].src=menu4_on.src;
  }
}
function menu4_out(targetimage){
  if(targetimage=="menu4"){
    document.images[targetimage].src=menu4_off.src;
  }
}

var menu5_on=new Image();
var menu5_off=new Image();
menu5_on.src="img/top/menu5_on.gif";
menu5_off.src="img/top/menu5.gif";
function menu5_over(targetimage){
  if(targetimage=="menu5"){
    document.images[targetimage].src=menu5_on.src;
  }
}
function menu5_out(targetimage){
  if(targetimage=="menu5"){
    document.images[targetimage].src=menu5_off.src;
  }
}

var menu6_on=new Image();
var menu6_off=new Image();
menu6_on.src="img/top/menu6_on.gif";
menu6_off.src="img/top/menu6.gif";
function menu6_over(targetimage){
  if(targetimage=="menu6"){
    document.images[targetimage].src=menu6_on.src;
  }
}
function menu6_out(targetimage){
  if(targetimage=="menu6"){
    document.images[targetimage].src=menu6_off.src;
  }
}

var header2_menu1_on=new Image();
var header2_menu1_off=new Image();
header2_menu1_on.src="img/top/header2_menu1_on.gif";
header2_menu1_off.src="img/top/header2_menu1.gif";
function header2_menu1_over(targetimage){
  if(targetimage=="header2_menu1"){
    document.images[targetimage].src=header2_menu1_on.src;
  }
}
function header2_menu1_out(targetimage){
  if(targetimage=="header2_menu1"){
    document.images[targetimage].src=header2_menu1_off.src;
  }
}
var header2_menu2_on=new Image();
var header2_menu2_off=new Image();
header2_menu2_on.src="img/top/header2_menu2_on.gif";
header2_menu2_off.src="img/top/header2_menu2.gif";
function header2_menu2_over(targetimage){
  if(targetimage=="header2_menu2"){
    document.images[targetimage].src=header2_menu2_on.src;
  }
}
function header2_menu2_out(targetimage){
  if(targetimage=="header2_menu2"){
    document.images[targetimage].src=header2_menu2_off.src;
  }
}
var header2_menu3_on=new Image();
var header2_menu3_off=new Image();
header2_menu3_on.src="img/top/header2_menu3_on.gif";
header2_menu3_off.src="img/top/header2_menu3.gif";
function header2_menu3_over(targetimage){
  if(targetimage=="header2_menu3"){
    document.images[targetimage].src=header2_menu3_on.src;
  }
}
function header2_menu3_out(targetimage){
  if(targetimage=="header2_menu3"){
    document.images[targetimage].src=header2_menu3_off.src;
  }
}
var header2_menu4_on=new Image();
var header2_menu4_off=new Image();
header2_menu4_on.src="img/top/header2_menu4_on.gif";
header2_menu4_off.src="img/top/header2_menu4.gif";
function header2_menu4_over(targetimage){
  if(targetimage=="header2_menu4"){
    document.images[targetimage].src=header2_menu4_on.src;
  }
}
function header2_menu4_out(targetimage){
  if(targetimage=="header2_menu4"){
    document.images[targetimage].src=header2_menu4_off.src;
  }
}