function menuSwitch( par) {		
	var nxt = par.nextSibling;
	while( nxt != null && nxt.className != "boxBody" ) nxt = nxt.nextSibling;
	
	if( nxt.className == "boxBody" ) {

		if( nxt.style.display == "none" || nxt.style.display == "")  {
			nxt.style.display = "block";
		} else {
			nxt.style.display = "none";
		}
	} 
}