DEF CYCLE Script {
     eventIn SFTime touchTime
     field SFInt32 number 4
     eventOut SFInt32 output
     url "javascript:
        function initialize() {
           output = 0;
        }
        function touchTime(value, time) {
           if (output == number - 1) output = 0;
           else ++output;
        }
     "
  }