用mailto发邮件，想先验证一下填写的内容，然后再发，验证不过，就不要发了。

<input type="submit" name="submit" value="Send" onclick("validate_form()") > 删除 onclick("validate_form()")
修改
<form onsubmit="return validate_form()"

解决方案 »

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谢谢，解决了。我能再问一个问题吗
上面是我的代码的一段。我还有个select的框，想把它的内容也加到email里。
       <Select   Name="TheTrainings"   Multiple>
         <Option value="1.Grounding type according to IEC 60364-4-41 and their protection" Selected>Grounding type according to IEC 60364-4-41 and their protection</Option>
         <Option value="2.Power Quality problem and the mitigation solutions">Power Quality problem and the mitigation solutions</Option>
         <Option value="3.Lightning protection earth measurement and soil resistivity measurement">Lightning protection earth measurement and soil resistivity measurement</Option>
         <Option value="4.Power factor and harmonics correction">Power factor and harmonics correction</Option>
         <Option value="5.Communication protocol & software training">Communication protocol & software training</Option>
       </Select>
<form name="form" method="post"  onsubmit="return validate_form()" action=" mailto:[email protected]?subject=Register Training;" enctype="text/plain">     <p align="center"><font size="3"><b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Name</font>:</b></font>
     <input name="name" type="text" id="name" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Email</font><font size="4"></font><font size="3">: </font></b>
     <input name="email" type="text" id="email" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Company</font><font size="4"></font><font size="3">: </font></b>
     <input name="company" type="text" id="company" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Telephone</font><font size="4"></font><font size="3">: </font></b>
     <input name="telephone" type="text" id="telephone" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Comments</font><font size="4"></font><font size="3">:</font></b>
     <br>
     <textarea name="comments" rows=8 cols=45 wrap=virtual id="txt"></textarea>
   </p>
</div> </td>
</tr>
<tr>
<td>
   <div align="center">
     <div align="center">
     <br>
      <input type="submit" name="submit" value="Send">
      <input type="reset" name="reset" value="Reset" >
   </div>
   </form>
我想的是把select和form的内容拿出来后，用js自己重新排一下。我自己写的function toOutLook()
这是全部代码，你帮我看看该怎么改，先谢谢了。<!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>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Email</title>
</head>
<Script   Language="JavaScript">
function validate_form() {
validity = true;
if (!check_empty(document.form.name.value))
{ validity = false; alert('Sorry!Please Fill in your name'); }
  if (!check_email(document.form.email.value))
{ validity = false; alert('Sorry!Please Fill in the correct Email address'); }
  if (!check_empty(document.form.company.value))
{ validity = false; alert('Sorry!Please Fill in your company'); }
  if (validity)
CountItem();
alert (" Thanks for your register, "
+ "you have register"+Count+" training items!!!"
+ " we will inform you soon ");
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;
}
function   DisplayItem()   {
     var   content="";
     for(i=0;i<TheTrainings.length;i++)
       if(TheTrainings.options[i].selected==true)
            content = content + TheTrainings.options[i].value + ";"+"\n";
              alert(content);
}
function   CountItem()   {
      var   Count=0;
      for(i=0;i<TheTrainings.length;i++)
        if(TheTrainings.options[i].selected==true)
                 Count++;
return Count;
}
function toOutLook()    {
   var msg="";
    msg += "The training(s) you have registered is(are): " + content + "  "+"\n";
    msg += "Name: " + document.form.name.value + "  "+"\n";
    msg += "Email: " + document.form.email.value + "  "+"\n";
    msg += "Company: " + document.form.company.value + "  "+"\n";
    msg += "Telephone: " + document.form.telephone.value + "  "+"\n";
    msg += "Comments: " + document.form.Comments.value + "  "+"\n";
mailto:[email protected];
}
  </Script>
<body>
       <Select   Name="TheTrainings"   Multiple>
         <Option value="1.Grounding type according to IEC 60364-4-41 and their protection" Selected>Grounding type according to IEC 60364-4-41 and their protection</Option>
         <Option value="2.Power Quality problem and the mitigation solutions">Power Quality problem and the mitigation solutions</Option>
         <Option value="3.Lightning protection earth measurement and soil resistivity measurement">Lightning protection earth measurement and soil resistivity measurement</Option>
         <Option value="4.Power factor and harmonics correction">Power factor and harmonics correction</Option>
         <Option value="5.Communication protocol & software training">Communication protocol & software training</Option>
       </Select>
<form name="form" method="post"  onsubmit="return validate_form()" action=" mailto:[email protected]?subject=Register Training;" enctype="text/plain">     <p align="center"><font size="3"><b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Name</font>:</b></font>
     <input name="name" type="text" id="name" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Email</font><font size="4"></font><font size="3">: </font></b>
     <input name="email" type="text" id="email" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Company</font><font size="4"></font><font size="3">: </font></b>
     <input name="company" type="text" id="company" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Telephone</font><font size="4"></font><font size="3">: </font></b>
     <input name="telephone" type="text" id="telephone" size=46>
     <br>
     <b><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Comments</font><font size="4"></font><font size="3">:</font></b>
     <br>
     <textarea name="comments" rows=8 cols=45 wrap=virtual id="txt"></textarea>
   </p>
</div> </td>
</tr>
<tr>
<td>
   <div align="center">
     <div align="center">
     <br>
      <input type="submit" name="submit" value="Send">
      <input type="reset" name="reset" value="Reset" >
   </div>
   </form>
</body>
</html>