<!-- http://bbs.knowsky.com/ -->
<!--要完成此效果把如下代码加入到<body>区域中-->
<form>
<div align="center">
<textarea name="yourForm" rows=3 cols=40 wrap=virtual>
这里是测试文本......</textarea>
<br>
<br>
<input type=button value="选中所有内容" onClick="javascript:this.form.yourForm.focus();this.form.yourForm.select();">
</div>
</form>
