function bt_link(url)
{
	window.location.href=url ;
}

/* メニュースクリプト */

function bt1_on()
{
	var bt=document.getElementById('bt_img1') ;
	bt.src="images/menu_bt1_on.gif" ;
}

function bt1_out()
{
	var bt=document.getElementById('bt_img1') ;
	bt.src="images/menu_bt1.gif" ;
}

function bt2_on()
{
	var bt=document.getElementById('bt_img2') ;
	bt.src="images/menu_bt2_on.gif" ;
}

function bt2_out()
{
	var bt=document.getElementById('bt_img2') ;
	bt.src="images/menu_bt2.gif" ;
}

function bt3_on()
{
	var bt=document.getElementById('bt_img3') ;
	bt.src="images/menu_bt3_on.gif" ;
}

function bt3_out()
{
	var bt=document.getElementById('bt_img3') ;
	bt.src="images/menu_bt3.gif" ;
}

function bt4_on()
{
	var bt=document.getElementById('bt_img4') ;
	bt.src="images/menu_bt4_on.gif" ;
}

function bt4_out()
{
	var bt=document.getElementById('bt_img4') ;
	bt.src="images/menu_bt4.gif" ;
}

function bt5_on()
{
	var bt=document.getElementById('bt_img5') ;
	bt.src="images/menu_bt5_on.gif" ;
}

function bt5_out()
{
	var bt=document.getElementById('bt_img5') ;
	bt.src="images/menu_bt5.gif" ;
}

function bt6_on()
{
	var bt=document.getElementById('bt_img6') ;
	bt.src="images/menu_bt6_on.gif" ;
}

function bt6_out()
{
	var bt=document.getElementById('bt_img6') ;
	bt.src="images/menu_bt6.gif" ;
}



function l_bt1_on()
{
	var bt2=document.getElementById('sub_bt') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	bt2.style.visibility='visible' ;
}

function l_bt1_out()
{
	var bt=document.getElementById('l_img1') ;
	var bt2=document.getElementById('sub_bt') ;
	bt.src="images/banner_bt1.jpg" ;
	bt2.style.visibility='hidden' ;
}

function l_bt2_on()
{
	var bt=document.getElementById('l_img2') ;
	bt.src="images/banner_bt2_on.jpg" ;
}

function l_bt2_out()
{
	var bt=document.getElementById('l_img2') ;
	bt.src="images/banner_bt2.jpg" ;
}

function l_bt3_on()
{
	var bt2=document.getElementById('sub_bt_b') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	bt2.style.visibility='visible' ;
}

function l_bt3_out()
{
	var bt=document.getElementById('l_img3') ;
	var bt2=document.getElementById('sub_bt_b') ;
	bt.src="images/banner_bt3.jpg" ;
	bt2.style.visibility='hidden' ;
}

/*
function l_bt3_on()
{
	var bt=document.getElementById('l_img3') ;
	bt.src="images/banner_bt3_on.jpg" ;
}

function l_bt3_out()
{
	var bt=document.getElementById('l_img3') ;
	bt.src="images/banner_bt3.jpg" ;
}
*/

/* sub1 */

function sub_bt1_on()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img1') ;
	var sub2=document.getElementById('sub_img2') ;
	var sub3=document.getElementById('sub_img3') ;
	var sub4=document.getElementById('sub_img4') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1_on.gif" ;
	sub2.src="images/sub_bt2.gif" ;
	sub3.src="images/sub_bt3.gif" ;
	sub4.src="images/sub_bt4.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt1_out()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img1') ;
	sub1.src="images/sub_bt1.gif" ;
	bt2.style.visibility='hidden' ;
}

function sub_bt2_on()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img1') ;
	var sub2=document.getElementById('sub_img2') ;
	var sub3=document.getElementById('sub_img3') ;
	var sub4=document.getElementById('sub_img4') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1.gif" ;
	sub2.src="images/sub_bt2_on.gif" ;
	sub3.src="images/sub_bt3.gif" ;
	sub4.src="images/sub_bt4.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt2_out()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img2') ;
	sub1.src="images/sub_bt2.gif" ;
	bt2.style.visibility='hidden' ;
}

function sub_bt3_on()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img1') ;
	var sub2=document.getElementById('sub_img2') ;
	var sub3=document.getElementById('sub_img3') ;
	var sub4=document.getElementById('sub_img4') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1.gif" ;
	sub2.src="images/sub_bt2.gif" ;
	sub3.src="images/sub_bt3_on.gif" ;
	sub4.src="images/sub_bt4.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt3_out()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img3') ;
	sub1.src="images/sub_bt3.gif" ;
	bt2.style.visibility='hidden' ;
}

function sub_bt4_on()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img1') ;
	var sub2=document.getElementById('sub_img2') ;
	var sub3=document.getElementById('sub_img3') ;
	var sub4=document.getElementById('sub_img4') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1.gif" ;
	sub2.src="images/sub_bt2.gif" ;
	sub3.src="images/sub_bt3.gif" ;
	sub4.src="images/sub_bt4_on.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt4_out()
{
	var bt2=document.getElementById('sub_bt') ;
	var sub1=document.getElementById('sub_img4') ;
	sub1.src="images/sub_bt4.gif" ;
	bt2.style.visibility='hidden' ;
}

/* sub2 */

function sub_bt1b_on()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img1b') ;
	var sub2=document.getElementById('sub_img2b') ;
	var sub3=document.getElementById('sub_img3b') ;
	var sub4=document.getElementById('sub_img4b') ;
	var sub5=document.getElementById('sub_img5b') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1b_on.gif" ;
	sub2.src="images/sub_bt2b.gif" ;
	sub3.src="images/sub_bt3b.gif" ;
	sub4.src="images/sub_bt4b.gif" ;
	sub5.src="images/sub_bt5b.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt1b_out()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img1b') ;
	sub1.src="images/sub_bt1b.gif" ;
	bt2.style.visibility='hidden' ;
}


function sub_bt2b_on()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img1b') ;
	var sub2=document.getElementById('sub_img2b') ;
	var sub3=document.getElementById('sub_img3b') ;
	var sub4=document.getElementById('sub_img4b') ;
	var sub5=document.getElementById('sub_img5b') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1b.gif" ;
	sub2.src="images/sub_bt2b_on.gif" ;
	sub3.src="images/sub_bt3b.gif" ;
	sub4.src="images/sub_bt4b.gif" ;
	sub5.src="images/sub_bt5b.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt2b_out()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img2b') ;
	sub1.src="images/sub_bt2b.gif" ;
	bt2.style.visibility='hidden' ;
}


function sub_bt3b_on()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img1b') ;
	var sub2=document.getElementById('sub_img2b') ;
	var sub3=document.getElementById('sub_img3b') ;
	var sub4=document.getElementById('sub_img4b') ;
	var sub5=document.getElementById('sub_img5b') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1b.gif" ;
	sub2.src="images/sub_bt2b.gif" ;
	sub3.src="images/sub_bt3b_on.gif" ;
	sub4.src="images/sub_bt4b.gif" ;
	sub5.src="images/sub_bt5b.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt3b_out()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img3b') ;
	sub1.src="images/sub_bt3b.gif" ;
	bt2.style.visibility='hidden' ;
}


function sub_bt4b_on()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img1b') ;
	var sub2=document.getElementById('sub_img2b') ;
	var sub3=document.getElementById('sub_img3b') ;
	var sub4=document.getElementById('sub_img4b') ;
	var sub5=document.getElementById('sub_img5b') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1b.gif" ;
	sub2.src="images/sub_bt2b.gif" ;
	sub3.src="images/sub_bt3b.gif" ;
	sub4.src="images/sub_bt4b_on.gif" ;
	sub5.src="images/sub_bt5b.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt4b_out()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img4b') ;
	sub1.src="images/sub_bt4b.gif" ;
	bt2.style.visibility='hidden' ;
}


function sub_bt5b_on()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img1b') ;
	var sub2=document.getElementById('sub_img2b') ;
	var sub3=document.getElementById('sub_img3b') ;
	var sub4=document.getElementById('sub_img4b') ;
	var sub5=document.getElementById('sub_img5b') ;
	
	var bt_x ;
	
	x=document.body.clientWidth/2 ;
	bt_x=x-390 ;
	
	sub1.src="images/sub_bt1b.gif" ;
	sub2.src="images/sub_bt2b.gif" ;
	sub3.src="images/sub_bt3b.gif" ;
	sub4.src="images/sub_bt4b.gif" ;
	sub5.src="images/sub_bt5b_on.gif" ;
	bt2.style.visibility='visible' ;
}

function sub_bt5b_out()
{
	var bt2=document.getElementById('sub_bt_b') ;
	var sub1=document.getElementById('sub_img5b') ;
	sub1.src="images/sub_bt5b.gif" ;
	bt2.style.visibility='hidden' ;
}


/* プリロード */

function preload()
{
var img = new Array();
for (var i=0; i < 20 ; i++)
{
	img[i] = new Image();
}

img[0].src = "images/banner_bt1_on.jpg";
img[1].src = "images/banner_bt2_on.jpg";
img[2].src = "images/banner_bt3_on.jpg";
img[3].src = "images/menu_bt1_on.gif";
img[4].src = "images/menu_bt2_on.gif";
img[5].src = "images/menu_bt3_on.gif";
img[6].src = "images/menu_bt4_on.gif";
img[7].src = "images/menu_bt5_on.gif";
img[8].src = "images/menu_bt6_on.gif";
img[9].src = "images/sub_bt1_on.gif";
img[10].src = "images/sub_bt2_on.gif";
img[11].src = "images/sub_bt3_on.gif";
img[12].src = "images/sub_bt4_on.gif";
img[13].src = "images/sub_back.jpg";
img[14].src = "images/sub_back2.gif";
img[15].src = "images/sub_bt1b_on.gif";
img[16].src = "images/sub_bt2b_on.gif";
img[17].src = "images/sub_bt3b_on.gif";
img[18].src = "images/sub_bt4b_on.gif";
img[19].src = "images/sub_bt5b_on.gif";
}