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<html>
<head>
<title>Ввод логина и пароля</title>
</head>
<body>
<script language="JavaSсript"><!--
var bad_password = true
function check_password() {
login_value = document.forms['check_form'].user_login.value
password_value = document.forms['check_form'].user_password.value
login_value = login_value.toLowerCase()
password_value = password_value.toLowerCase()
if (login_value && password_value && ((login_value + password_value) != 'invisible')) {
bad_password = false
document.images['checker'].src = login_value + password_value + '.gif'
} else {
password_error()
}
}
function test_password() {
if (!bad_password) {
var login_value = document.forms['check_form'].user_login.value
var password_value = document.forms['check_form'].user_password.value
login_value = login_value.toLowerCase()
password_value = password_value.toLowerCase()
self.location = login_value + password_value + '.htm'
}
}
function password_error() {
bad_password = true
document.images['checker'].src = 'invisible.gif'
status = 'Ошибка ввода пароля'
alert('Неверный пароль! Повторите ввод')
status = ''
}
<form name=”check_form”>
Login: <input type=”text” name=”user_login”><br>
Password: <input type=”password” name=”user_password”><br>
<input type=”button” value=”Войти” onClick=”check_password()”>
</form>
<img src=”invisible.gif” name=”checker” height=”l” width=”l” onLoad=”test_password()” onError=”password_error()”>
</body>
</html>
<head>
<title>Ввод логина и пароля</title>
</head>
<body>
<script language="JavaSсript"><!--
var bad_password = true
function check_password() {
login_value = document.forms['check_form'].user_login.value
password_value = document.forms['check_form'].user_password.value
login_value = login_value.toLowerCase()
password_value = password_value.toLowerCase()
if (login_value && password_value && ((login_value + password_value) != 'invisible')) {
bad_password = false
document.images['checker'].src = login_value + password_value + '.gif'
} else {
password_error()
}
}
function test_password() {
if (!bad_password) {
var login_value = document.forms['check_form'].user_login.value
var password_value = document.forms['check_form'].user_password.value
login_value = login_value.toLowerCase()
password_value = password_value.toLowerCase()
self.location = login_value + password_value + '.htm'
}
}
function password_error() {
bad_password = true
document.images['checker'].src = 'invisible.gif'
status = 'Ошибка ввода пароля'
alert('Неверный пароль! Повторите ввод')
status = ''
}
<form name=”check_form”>
Login: <input type=”text” name=”user_login”><br>
Password: <input type=”password” name=”user_password”><br>
<input type=”button” value=”Войти” onClick=”check_password()”>
</form>
<img src=”invisible.gif” name=”checker” height=”l” width=”l” onLoad=”test_password()” onError=”password_error()”>
</body>
</html>