var randomNumber = function (under, over) {

switch (arguments.length) {

case 1:

return parseInt(Math.random() * under + 1);

case 2:

return parseInt(Math.random() * (over - under + 1) + under);

default:

return 0;

}

};

var convertTime = function (s) {

var t = "";

s = Math.floor(s);

if (s < 60) return s + "秒";

t = s % 60 + "秒";

s = Math.floor(s / 60);

if (s < 60) return s + "分" + t;

t = (s % 60) + "分" + t;

s = Math.floor(s / 60);

return s + "小时" + t;

};

var getScoreClassName = function (score) {

if (score === 100) return "score_100";

if (score > 90) return "score_90";

if (score > 80) return "score_80";

if (score > 70) return "score_70";

if (score > 60) return "score_60";

return "score_l60";

};

var getTimeClassName = function (time) {

var timePerQuestion = time / config.TOTAL_TEST_COUNT;

if (timePerQuestion < 7) return "time_3s";

if (timePerQuestion < 7.5) return "time_2s";

if (timePerQuestion < 8) return "time_1s";

if (timePerQuestion < 8.5) return "time_3l";

if (timePerQuestion < 9) return "time_2l";

if (timePerQuestion < 9.5) return "time_1l";

if (timePerQuestion < 10) return "time_3sm";

if (timePerQuestion < 10.5) return "time_2sm";

if (timePerQuestion < 11) return "time_1sm";

if (timePerQuestion < 11.5) return "time_1c";

if (timePerQuestion < 12) return "time_2c";

if (timePerQuestion < 12.5) return "time_3c";

if (timePerQuestion < 13) return "time_1cc";

if (timePerQuestion < 13.5) return "time_2cc";

if (timePerQuestion < 14) return "time_3cc";

if (timePerQuestion < 14.5) return "time_1a";

if (timePerQuestion < 15) return "time_2a";

return "time_3a";

};