function toggle2(trackid, totaltracks){
	var details = new Array();
	var tabs = new Array();
	  
	for(var i=1; i<=totaltracks; i++) {
		details[i]='details' + i;
		tabs[i]='tab' + i;
		document.getElementById(details[i]).style.display = "none";
		document.getElementById(tabs[i]).className = "";

	}

	document.getElementById(details[trackid]).style.display = "block";
	document.getElementById(tabs[trackid]).className = "selected";
}