function Listar(){
	$("#tblListar").html("");
	$("#tblListar").html( "<thead>"+ "	<tr>"+ "<th>Usuário</th>"+ "	<th>Rota</th>"+ "	<th>Cliente</th>"+ "	<th>Hora</th>"+ "	</tr>"+ "</thead>"+ "<tbody>"+ "</tbody>" );
var read_transition = db.transaction("tbPos", "readonly");
var store = read_transition.objectStore("tbPos");
var rows = store.openCursor()
rows.onsuccess = function(evt){
    var cursor = evt.target.result;
    if(cursor)
    {

		$("#tblListar tbody").append("<tr>");
		$("#tblListar tbody").append("<td>"+cursor.value.usuario+"</td>");
		$("#tblListar tbody").append("<td>"+cursor.value.rota+"</td>");
		$("#tblListar tbody").append("<td>"+cursor.value.cliente+"</td>");
		$("#tblListar tbody").append("<td>"+Date(cursor.value.hora*1000)+"</td>");
		$("#tblListar tbody").append("</tr>");

		}
	}
}