function submitdp(i){
document.formdp.stdtdetail.value=document.all["stdtd"+i].value;
document.formdp.action="editdp.jsp";
document.formdp.submit();
}
document.formdp.stdtdetail.value=document.all["stdtd"+i].value;
document.formdp.action="editdp.jsp";
document.formdp.submit();
}
<input type=button name=stdtd1 value=qswh1 onclick=submitdp(1)><form name=formdp action=about:ok>
<input name=stdtdetail>
</form>
<script>
function submitdp(i){
formdp.stdtdetail.value=document.all("stdtd"+i).value;
formdp.action="editdp.jsp";
alert("check?")
formdp.submit();
}
</script>