js根據出生日期自動取得星座的代碼

function xingzuo() {


var start = 1901, date=document.getelementbyid("txtday").value, month=document.getelementbyid("txtmonth").value ;;


with (document.getelementbyid("txtxz")){


if (month == 1 && date >=20 || month == 2 && date <=18) {value = "水瓶座";}


if (month == 1 && date > 31) {value = "huh?";}


if (month == 2 && date >=19 || month == 3 && date <=20) {value = "雙魚座";}


if (month == 2 && date > 29) {value = "say what?";}


if (month == 3 && date >=21 || month == 4 && date <=19) {value = "白羊座";}


if (month == 3 && date > 31) {value = "ok. whatever.";}


if (month == 4 && date >=20 || month == 5 && date <=20) {value = "金牛座";}


if (month == 4 && date > 30) {value = "i'm soooo sorry!";}


if (month == 5 && date >=21 || month == 6 && date <=21) {value = "雙子座";}


if (month == 5 && date > 31) {value = "umm ... no.";}


if (month == 6 && date >=22 || month == 7 && date <=22) {value = "巨蟹座";}


if (month == 6 && date > 30) {value = "sorry.";}


if (month == 7 && date >=23 || month == 8 && date <=22) {value = "獅子座";}


if (month == 7 && date > 31) {value = "excuse me?";}


if (month == 8 && date >=23 || month == 9 && date <=22) {value = "室女座";}


if (month == 8 && date > 31) {value = "yeah. right.";}


if (month == 9 && date >=23 || month == 10 && date <=22) {value = "天秤座";}


if (month == 9 && date > 30) {value = "try again.";}


if (month == 10 && date >=23 || month == 11 && date <=21) {value = "天蠍座";}


if (month == 10 && date > 31) {value = "forget it!";}


if (month == 11 && date >=22 || month == 12 && date <=21) {value = "人馬座";}


if (month == 11 && date > 30) {value = "invalid date";}


if (month == 12 && date >=22 || month == 1 && date <=19) {value = "摩羯座";}


if (month == 12 && date > 31) {value = "no way!";}


}


}