[css提高] Formfieldhints.--表单提示效果.

tension

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1^# 大中小发表于 2008-6-13 10:51 只看该作者

Formfieldhints.--表单提示效果.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
	<title>Form field hints with CSS and JavaScript</title>
<style type="text/css">

/* All form elements are within the definition list for this example */
dl {
	font:normal 12px/15px Arial;
    position: relative;
    width: 350px;
}
dt {
    clear: both;
    float:left;
    width: 130px;
    padding: 4px 0 2px 0;
    text-align: left;
}
dd {
    float: left;
    width: 200px;
    margin: 0 0 8px 0;
    padding-left: 6px;
}

/* The hint to Hide and Show */
.hint {
   	display: none;
    position: absolute;
    right: -250px;
    width: 200px;
    margin-top: -4px;
    border: 1px solid #c93;
    padding: 10px 12px;
    /* to fix IE6, I can't just declare a background-color,
    I must do a bg image, too!  So I'm duplicating the pointer.gif
    image, and positioning it so that it doesn't show up
    within the box */
    background: #ffc url("http://bbs.pickbar.com/month_0806/20080613_5972d943306e8a88f9fdgbO3gRiiJ1RJ.gif") no-repeat -10px 5px;
}

/* The pointer image is hadded by using another span */
.hint .hint-pointer {
    position: absolute;
    left: -10px;
    top: 5px;
    width: 10px;
    height: 19px;
    background: url("http://bbs.pickbar.com/month_0806/20080613_5972d943306e8a88f9fdgbO3gRiiJ1RJ.gif") left top no-repeat;
}
</style>
<script type="text/javascript">
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

<dl>
	<dt>
		<label for="firstname">First Name:</label>
	</dt>
	<dd>
		<input
			name="firstname"
			id="firstname"
			type="text" />
		<span class="hint">This is the name your mama called you when you were little.<span class="hint-pointer"> </span></span>
	</dd>
	<dt>
		<label for="lastname">Last Name:</label>
	</dt>
	<dd>
		<input
			name="lastname"
			id="lastname"
			type="text" />
		<span class="hint">This is the name your sergeant called you when you went through bootcamp.<span class="hint-pointer"> </span></span>
	</dd>
	<dt>
		<label for="email">Email:</label>
	</dt>
	<dd>
		<input
			name="email"
			id="email"
			type="text" />
		<span class="hint">The thing with the @ symbol and the dot com at the end.<span class="hint-pointer"> </span></span>
	</dd>
	<dt><label for="year">Birth Year:</label></dt>
	<dd>
		<select id="year" name="year">
			<option value="">YYYY</option>
			<option value="1066">1066</option>
			<option value="1492">1492</option>
			<option value="1776">1776</option>
			<option value="1812">1812</option>
			<option value="1917">1917</option>
			<option value="1942">1942</option>
			<option value="1999">1999</option>
		</select>
		<span class="hint">Pick a famous year to be born in.<span class="hint-pointer"> </span></span>
	</dd>
	<dt>
		<label for="username">Username:</label>
	</dt>
	<dd>
		<input
			name="username"
			id="username"
			type="text" />
		<span class="hint">Between 4-12 characters.<span class="hint-pointer"> </span></span>
	</dd>
	<dt>
		<label for="password">Password:</label>
	</dt>
	<dd>
		<input
			name="password"
			id="password"
			type="password" />
		<span class="hint">Between 5-13 characters, but not 7.  Never 7.<span class="hint-pointer"> </span></span>
	</dd>
	<dt class="button"> </dt>
	<dd class="button">
		<input
			type="submit"
			class="button"
			value="Submit" />
	</dd>
</dl>

</body>
</html>

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