学步园

                        <FORM name="f1" action="" target="mail"  method=post id="Form1">
                    
                <SCRIPT> 
                function gook() {
    //验证一下
    document.f1.submit();
}
//-->
</SCRIPT>
                            <TABLE border=0 cellpadding=0 cellspacing=0 align=center id="Table1">
                                <TR>
                                    <TD colspan=2 height=5></TD>
                                </TR>
                                <TR height=30>
                                    <TD><FONT face=宋体>用户名:</FONT></TD><TD><INPUT name="usernameshow" type=text class="logintxt" id="usernameshow"></TD>
                                </tr>
                                <TR height=30>
                                    <TD><FONT face=宋体>密&nbsp;&nbsp;码:</FONT></TD><TD><INPUT name="pwshow" type=password class="logintxt" id="pwshow"></TD>
                                </TR>
                                <TR>
                                    <TD colspan=2 align=center height=30>
                                        <INPUT type=submit value="登陆" class="blueButtonCss" id="Submit1" name="Submit1" onclick=" return gook();">&nbsp;
                                        <INPUT type=button value="忘记密码" class="blueButtonCss" id="Button2" name="Button2"></TD>
                                </TR>
                             <TR>
                                    <TD height=5></TD>
                                </TR>
                            </TABLE>
                        </FORM>

以前以为form提交只能在本页，后来发现了form原来也有target属性，但是因为要通过js验证target=_blank之后，点提交出现了两个新页面，给target的新页面起了个名，解决。