function _volume_preload ()
{
	but_home_off=new Image();
	but_home_off.src = "/des1/en/main_menu/home.jpg";
	but_home_on=new Image();
	but_home_on.src = "/des1/en/main_menu/home_sel.jpg";
	but_game_off=new Image();
	but_game_off.src = "/des1/en/main_menu/game.jpg";
	but_game_on=new Image();
	but_game_on.src = "/des1/en/main_menu/game_sel.jpg";
	but_zone_world_off=new Image();
	but_zone_world_off.src = "/des1/en/main_menu/zone_world.jpg";
	but_zone_world_on=new Image();
	but_zone_world_on.src = "/des1/en/main_menu/zone_world_sel.jpg";
	but_downloads_off=new Image();
	but_downloads_off.src = "/des1/en/main_menu/downloads.jpg";
	but_downloads_on=new Image();
	but_downloads_on.src = "/des1/en/main_menu/downloads_sel.jpg";
	but_community_off=new Image();
	but_community_off.src = "/des1/en/main_menu/community.jpg";
	but_community_on=new Image();
	but_community_on.src = "/des1/en/main_menu/community_sel.jpg";
	but_support_off=new Image();
	but_support_off.src = "/des1/en/main_menu/support.jpg";
	but_support_on=new Image();
	but_support_on.src = "/des1/en/main_menu/support_sel.jpg";
}

function _on (img_id)
{
		if (document.all)
		{
			
			eval ('document["' + img_id + '"].src = ' + img_id + '_on.src;');
		} 
		else 
		{
			eval ('document.images["' + img_id + '"].src = ' + img_id + '_on.src;');
		}
}

function _off (img_id)
{
		if (document.all)
		{
			eval ('document["' + img_id + '"].src = ' + img_id + '_off.src;');
		} 
		else 
		{
			eval ('document.images["' + img_id + '"].src = ' + img_id + '_off.src;');
		}
}

_volume_preload ();