function _volume_preload ()
{
	but_news_off=new Image();
	but_news_off.src = "img/menu/news.gif";
	but_news_on=new Image();
	but_news_on.src = "img/menu/news_a.gif";
	but_band_off=new Image();
	but_band_off.src = "img/menu/band.gif";
	but_band_on=new Image();
	but_band_on.src = "img/menu/band_a.gif";
	but_albums_off=new Image();
	but_albums_off.src = "img/menu/albums.gif";
	but_albums_on=new Image();
	but_albums_on.src = "img/menu/albums_a.gif";
	but_press_off=new Image();
	but_press_off.src = "img/menu/press.gif";
	but_press_on=new Image();
	but_press_on.src = "img/menu/press_a.gif";
	but_downloads_off=new Image();
	but_downloads_off.src = "img/menu/downloads.gif";
	but_downloads_on=new Image();
	but_downloads_on.src = "img/menu/downloads_a.gif";
	but_store_off=new Image();
	but_store_off.src = "img/menu/store.gif";
	but_store_on=new Image();
	but_store_on.src = "img/menu/store_a.gif";
	but_links_off=new Image();
	but_links_off.src = "img/menu/links.gif";
	but_links_on=new Image();
	but_links_on.src = "img/menu/links_a.gif";
	but_authors_off=new Image();
	but_authors_off.src = "img/menu/authors.gif";
	but_authors_on=new Image();
	but_authors_on.src = "img/menu/authors_a.gif";
}

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 ();