for(i=1; i<=3; i++){ this["S"+i+".S"+i+3]=1; if(this["S"+i+".S"+i+1]>=this["S"+i+".S"+i+2]){ this["S"+i+".S"+i+2]=this["S"+i+".S"+i+1]+1} else{this["S"+i+".S"+i+2]=this["S"+i+".S"+i+2]+1} }