var count = parseInt(this.data); switch (count) { case 0: this.setResource('open0'); break; case 1: this.setResource('open1'); break; case 2: case 3: this.setResource('open2'); break; case 4: case 5: this.setResource('open3'); break; case 6: case 7: this.setResource('open4'); break; default: this.setResource('open5'); break; }