var Obef = 'ak';
var rrr = 'rr01';
function chonc( bId,chaid,cname,recname ){
	if(document.getElementById){

		if(bId == Obef){ return; }

		var spab = document.getElementById(bId);
		var tpab = document.getElementById(Obef);

		tpab.style.display = "none";
		spab.style.display = "block";

		Obef = bId;
		chgClass(rrr,recname);
		chgClass(chaid,cname);
		rrr = chaid;
	}
}

function chgClass(i,c){
	if(document.getElementById){
		document.getElementById(i).className=c; 
	} 
}
var menukeep = '';
var titlebox = 'tmenu0';
function listout(lis,parts){

	myArray=lis.split(",");

	for(i=0;i<27;i++){
		var obid="list"+i;
		document.getElementById(obid).style.display = "none";
	}

	for(u in myArray){
		var bbid="list"+myArray[u];
		document.getElementById(bbid).style.display = "block";
	}
	if(menukeep){
		document.getElementById(menukeep).className='';
	}
	if(parts != "menu0"){
		document.getElementById(parts).className="acti";
		menukeep=parts;
	}
	titlech='t'+parts;

	document.getElementById(titlebox).style.display = "none";
	document.getElementById(titlech).style.display = "block";

	titlebox=titlech;
}