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function func (BankNo){

if (BankNo.value == "") return;

var account = new String(BankNo.value);

/*帳號的總數, 包括空格在內 */

account = account.substring(0,22);

if (account.match (".[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{7}") == null){

/* 對照格式 */

if (account.match(".[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{7}|"

+ ".[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{7}|"

+ ".[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{7}|"

+ ".[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{7}") == null){

var accountNumeric = accountChar = "", i;

for (i=0;i

accountChar = account.substr (i,1);

if (!isNaN(accountChar) && (accountChar != " "))

accountNumeric = accountNumeric + accountChar;

}

account = "";

for (i=0;i

if (i == 4) account = account + "-"; /* 帳號第四位數后加空格 */

if (i == 8) account = account + "-"; /* 帳號第八位數后加空格 */

if (i == 12) account = account + "-";/* 帳號第十二位后數后加空格 */

account = account + accountNumeric.substr (i,1)

}

}

}else{

account = " " + account.substring(1, 5)

+ " " + account.substring(6, 10)

+ " " + account.substring(14, 18)

+ "-" + account.substring(18, 25);

}

if (account != BankNo.value) BankNo.value = account;

}

function checkBankNo (BankNo){

if (BankNo.value == "") return;

if (BankNo.value.match (".[0-9]{4}-[0-9]{4}-[0-9]{4}-[0-9]{7}") == null){

if (BankNo.value.match ("[0-9]{19}") != null)

func (BankNo)

}

}

function checkEnterForFindListing(e){

var characterCode;

if(e && e.which){

e = e;

characterCode = e.which ;

}

else{

e = event;

characterCode = e.keyCode;

}

if(characterCode == 22){

document.forms[getNetuiTagName("findListingForm")].submit();

return false;

}

else{

return true ;

}

}

window.onload = function () {

var otxt = document.getElementById("account");

otxt.onkeyup = function () {

func(this);

}

}

總結

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