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<td colspan="3"><input name="Button" type="button" class="btn_bg_short" value="提交" onClick="check_member('form_checkout')">
<td colspan="3"><input name="Button" type="button" class="btn_bg_short" value="提交" onClick="check_member(form_checkout)">
<script language="javascript">
function check_member(form_name){
var form = document.getElementsByName(form_name)[0];
if(form.truename.value==""){
alert("请输入您的真实姓名!");form.truename.focus();return;
}
if(form.address.value==""){
alert("请输入您的联系地址!");form.address.focus();return;
}
if(form.postcode.value==""){
alert("请输入您的邮政编码!");form.postcode.focus();return;
}
if(form.tel.value==""){
alert("请输入您的联系电话!");form.tel.focus();return;
}
form.submit();
}
</script>