var last_reportdir_id = 1;
function show_reportdir(id){
	if (last_reportdir_id != id){
		document.getElementById("reportdir_li_" + last_reportdir_id ).className = "";
		document.getElementById("reportdir_" + last_reportdir_id ).className = "hide";
		
		document.getElementById("reportdir_li_" + id ).className = "choose";
		document.getElementById("reportdir_" + id ).className = "";
		
		last_reportdir_id = id ;
	}
}