<FORM NAME="mailer" METHOD="post" ACTION="" ENCTYPE="text/plain"  
onSubmit="(document.mailer.action += mailtoandsubject)">  

<!-- Original: Jeff Kieke -->  

<!-- This script and many more are available free online at -->  
<!-- The JavaScript Source!! http://javascript.internet.com -->  

<TABLE BORDER=0 bgcolor="#CCCCCC">  
<TR VALIGN="top">  
<TD>Получатель:</TD>  
<TD><SELECT NAME="mailtoperson" onChange="msg(this.form)">  
<OPTION VALUE="">-- Выбрать --  
<OPTION VALUE="person1@yandex.ru">person1@yandex.ru  
<OPTION VALUE="person2@yandex.ru">person2@yandex.ru  
<OPTION VALUE="person3@yandex.ru">person3@yandex.ru  
</SELECT></TD>  
</TR>  
<TR VALIGN="top">  
<TD>Ваше имя:</TD>  
<TD><INPUT TYPE="text" SIZE=35 NAME="name" onChange="msg(this.form)"></TD>  
</TR>  
<TR VALIGN="top">  
<TD>Ваш Email:</TD>  
<TD><INPUT TYPE="text" SIZE=35 NAME="email" onChange="msg(this.form)"></TD>  
</TR>  
<TR VALIGN="top">  
<TD>Важность:</TD>  
<TD>  
<SELECT NAME="priority" onChange="msg(this.form)">  
<OPTION VALUE="NaN" selected>Невыбрано  
<OPTION VALUE="Normal">Обыное  
<OPTION VALUE="Urgent">Важное  
<OPTION VALUE="No Reply Needed">Не очень важное  
</SELECT></TD>  
</TR>  
<TR VALIGN="top">  
<TD>Тема:</TD>  
<TD><INPUT TYPE="text" SIZE=35 NAME="subject" onChange="msg(this.form)"></TD>  
</TR>  
<TR VALIGN="top">  
<TD>Сообщение:</TD>  
<TD><TEXTAREA NAME="message" COLS=35 ROWS=5 WRAP="virtual" OnChange="msg(this.form)"></TEXTAREA></TD>  
</TR>  
<TR>  
<TD> </TD>  
<TD><INPUT TYPE="submit" VALUE="Отправить">  
<INPUT TYPE="reset" VALUE="Сброс"></TD>  
</TR>  
</TABLE>  
</FORM>  

<SCRIPT LANGUAGE="JavaScript">  
function msg() {  
document.mailer.action = "mailto:"  
mailtoandsubject = ((document.mailer.mailtoperson.options[document.mailer.mailtoperson.selectedIndex].value) + '?subject=' + document.mailer.subject.value);  
}  
</SCRIPT>