window.history.back(-1) question

I have a text input box in a form which, when the submit button is pressed, calls an ASP page for processing.  When the processing is complete,  I use window.history.back(-1) to go back to the page with the form, is there any  way that I can have the text input box automatically clear its contents when it is displayed again?
Chris_mAsked:
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ianlesoftCommented:
yes, you can use ASP command "expire" of the page
0
CJ_SCommented:
Just replace the streings with the correct names

function document_onload()
{
   document.forms["formname"]["textboxname"].value="";
}

window.onload=document_onload;

Regards,
CJ
0
Chris_mAuthor Commented:
For ianlesoft:
I am not sure how to ue the expire command
for CJ S:
that would work fine except that the Input box is initially populated with a value obtained from a SELECT box on another ASP page
<INPUT ID="NameAfterChange" NAME="selectedName" VALUE="<%Response.Write(Request.Form("selectedName"))%>">
and if I use your code, the initial value is also cleared.  I only want the box to be cleared when I return to it, not when I initialy go to it.
regards
0
CJ_SCommented:
function document_onload()
{
  if(document.forms["formname"]["textboxname"].value!="<%=Request.Form("selectedName")%>")
    document.forms["formname"]["textboxname"].value="";
}
window.onload=document_onload;
0

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