var tab = function(){
 var data ={};
 return function(item, add){
  var x = item.id.match(/^(\w+\_(?:\d+\_)?)(\d+)$/);
  if(typeof data[x[1]] == "undefined") data[x[1]] = 1;
  $("#" + x[1] + data[x[1]]).removeClass("current");;
  $("#" + x[1] + x[2]).addClass("current");;
  $("#con_" + x[1] + data[x[1]]).hide();
  $("#con_" + x[1] + x[2]).show();
  if(add){
	  $("#" + add + "_" + x[1] + data[x[1]]).hide();
	  $("#" + add + "_" + x[1] + x[2]).show();
  }
  data[x[1]] = x[2];
 };
}();