UL.toc {font-family:sans-serif; font-size: 8pt;}
TABLE.tracklist {font-family:sans-serif; font-size: 8pt;}

UL.toc {list-style-type: disc;}
/* Set image for the bulleted list. */

LI.close {list-style-type: disc;}
LI.open {list-style-type: circle;}

/* Hide the Child elements by default. */
UL.toc UL, UL.toc UL UL {display:none} 
/* Display the Child elements. */
UL.toc .expanded {display:block}