// JavaScript Document>

if (document.images) {
    home_arrowbutton_prev_up 		= new Image();
    home_arrowbutton_prev_up.src   	= "images/home_slideshow_prev_up.jpg" ;
    home_arrowbutton_prev_down     	= new Image() ;
    home_arrowbutton_prev_down.src 	= "images/home_slideshow_prev_down.jpg" ;

	home_arrowbutton_next_up 		= new Image();
    home_arrowbutton_next_up.src   	= "images/home_slideshow_next_up.jpg" ;
    home_arrowbutton_next_down     	= new Image() ;
    home_arrowbutton_next_down.src 	= "images/home_slideshow_next_down.jpg" ;
	
	web_desdev_arrowbutton_up 		= new Image();
    web_desdev_arrowbutton_up.src   = "images/web_detail_up.jpg" ;
    web_desdev_arrowbutton_down    	= new Image() ;
    web_desdev_arrowbutton_down.src = "images/web_detail_down.jpg" ;
	
	web_gamban_arrowbutton_up 		= new Image();
    web_gamban_arrowbutton_up.src   = "images/web_detail_up.jpg" ;
    web_gamban_arrowbutton_down    	= new Image() ;
    web_gamban_arrowbutton_down.src = "images/web_detail_down.jpg" ;
	
	animation_industry_arrowbutton_prev_up 		 = new Image();
    animation_industry_arrowbutton_prev_up.src   = "images/animation_detail_prev_up.jpg" ;
    animation_industry_arrowbutton_prev_down     = new Image() ;
    animation_industry_arrowbutton_prev_down.src = "images/animation_detail_prev_down.jpg" ;
	
	animation_industry_arrowbutton_next_up 		 = new Image();
    animation_industry_arrowbutton_next_up.src   = "images/animation_detail_next_up.jpg" ;
    animation_industry_arrowbutton_next_down     = new Image() ;
    animation_industry_arrowbutton_next_down.src = "images/animation_detail_next_down.jpg" ;
	
	animation_other_arrowbutton_prev_up 		 = new Image();
    animation_other_arrowbutton_prev_up.src   = "images/animation_detail_prev_up.jpg" ;
    animation_other_arrowbutton_prev_down     = new Image() ;
    animation_other_arrowbutton_prev_down.src = "images/animation_detail_prev_down.jpg" ;
	
	animation_other_arrowbutton_next_up 		 = new Image();
    animation_other_arrowbutton_next_up.src   = "images/animation_detail_next_up.jpg" ;
    animation_other_arrowbutton_next_down     = new Image() ;
    animation_other_arrowbutton_next_down.src = "images/animation_detail_next_down.jpg" ;
	
	contact_arrowbutton_up 		 = new Image();
    contact_arrowbutton_up.src   = "images/contact_arrow_up.jpg" ;
    contact_arrowbutton_down     = new Image() ;
    contact_arrowbutton_down.src = "images/contact_arrow_down.jpg" ;
	
	footer_arrowbutton_up 		 = new Image();
    footer_arrowbutton_up.src   = "images/mailinglist_btn_up.jpg" ;
    footer_arrowbutton_down     = new Image() ;
    footer_arrowbutton_down.src = "images/mailinglist_btn_down.jpg" ;
	
	login_arrowbutton_up 		 = new Image();
    login_arrowbutton_up.src   = "images/login_btn_up.jpg" ;
    login_arrowbutton_down     = new Image() ;
    login_arrowbutton_down.src = "images/login_btn_down.jpg" ;
}

function buttondown( buttonname ){
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}

function buttonup ( buttonname ){
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}