1 form 2 button action to 2 location ต้องทำอย่างไรครับ

<script language="javascript">
function fncSubmit(strPage)
{
	if(strPage == "page1")
	{
		document.form1.action="page1.cgi";
	}
	
	if(strPage == "page2")
	{
		document.form1.action="page2.cgi";
	}	
	
	document.form1.submit();
}
</script>
<form action="page.cgi" method="post" name="form1">
  <input name="txtName" type="text" id="txtName">
<input name="btnButton1" type="button" value="Button"  onClick="JavaScript:fncSubmit('page1')">
<input name="btnButton2" type="button" value="Button"  onClick="JavaScript:fncSubmit('page2')">
</form>

<script language="javascript">
	function fncSubmit(){
		page = document.frmSearch.chtype.value;
			if(page == "Data_BCH.php") {
		document.form1.txtName.value;
		}
			if(strPage == "page2"){
		document.form1.action="page2.cgi";
		}	
		document.form1.submit();
}
</script>

<form name="frmSearch" method="POST" action="<?=$_SERVER['SCRIPT_NAME'];?>" onclick="document.form1.action='Data_BCH.php'">
<iframe id="iframe_target" name="iframe_target" src="#" style="width:0;height:0;border:0px solid #fff;"></iframe>

<tr><td colspan ="3" align="center" height ="50">
    	<input name="btnButton1" type="button" value="Action 1" OnClick="fncAction1()">
    </tr>