▼ソース
<HEAD>
<SCRIPT type="text/javascript" language=JavaScript>
<!--
function Submit(formName){
document.forms[formName].submit();
}
// -->
</SCRIPT>
</HEAD>
<BODY>
<form name="myform1" method="post" action="send.cgi">
<input type="text" value="test">
</form>
<a href="javascript:Submit('myform1')">フォーム内容を送信</a>
</BODY>