gistfile1.js

    validate_tables: function() {
        // Sometimes you can have as much fun indoors as outdoors.
        var self = this;
        var found = 0; var needed = this.tables.length; var reported = 0;
        var callback = function(present) {
          if(present) {
            found += 1;
          }
          reported += 1;
          if(reported == needed) {
            if(found < needed) {
              self.insert_schema();
            }
            self.setup_helpers();
            self.initalized = true
          }
        }
          
        this.tables.each( function(x) { 
            self.db_handle.transaction( function(tx) {
                tx.executeSql( "SELECT COUNT(*) FROM " + x[0], [], 
                    function(tx, r) {callback(true)},
                    function(tx, error) {callback(false)})
            })
        });
    }