<form id="form1" name="form1" method="post" action="http://www.baidu.com/s">
<input name="wd" type="text" id="wd" />
<a href="#" onclick="submits()">提交</a>
</form>
<script>
function submits(){
document.form1.submit();
}
</script>
<form id="form1" name="form1" method="post" action="http://www.baidu.com/s">
<input name="wd" type="text" id="wd" />
<a href="#" onclick="submits()">提交</a>
</form>
<script>
function submits(){
document.form1.submit();
}
</script>