text: 
  module.exports = function(req, res, next){
  	var col = req.mongoMng.collection;
  
  	switch(req.body.op){
  		case 'explain':
  			col.remove({}, function(err, a){
  				req.res.redirect(req.path);
  			});
  			break;
  		default:
  			res.send('Op "' + req.body.op + '" not found');
  	}
  };