<script language="JavaScript"> <!-- function validate_form() { validity = true; if (!check_empty(document.form.NAME.value)) { validity = false; alert('对不起!请你填入你的姓名。'); } if (!check_email(document.form.EMAIL.value)) { validity = false; alert('对不起!请重新正确填入Email地址。'); } if (!check_empty(document.form.DESCRIPTION.value)) { validity = false; alert('对不起!请你在"简要描述"留言填入留言。'); } if (validity) alert (" 谢谢你的来信. " + " 你所填的信息将以Email形式发送给我， " + " 假如你认为本站内容不错的话，请将本 " + " 介绍给你的朋友，希望大家经常光顾本站。"); return validity; } function check_empty(text) { return (text.length > 0); } function check_email(address) { if ((address == "") || (address.indexOf ('@') == -1) || (address.indexOf ('.') == -1)) return false; return true; } // --> </script> <form name="form" method="post" action="mailto: ?SUBJECT=网友的留言" enctype="text/plain" onSubmit="return validate_form()"> <table width="90%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="77%"> <div align="left"><font size="3"><b>姓名:</b></font> <input type="text" size=46 name="NAME"> <br> <b><font size="3">Email地址: </font></b> <input type="text" size=46 name="EMAIL"> <br> <b><font size="3">URL地址: </font></b> <input type="text" size=46 name="URL" value="http://"> <br> <b><font size="3">留言内容:</font></b><br> <textarea name="DESCRIPTION" rows=8 cols=45 wrap=virtual></textarea> </div> </td> </tr> <tr> <td> <div align="center"><br> <input type="submit" name="submit" value="发送"> <input type="reset" value="清除" name="reset"> </div> </td> </tr> </table> </form>