Submitting information to a 3rd party site

Hello, I’m trying to submit information from a locally stored html page to a 3rd party site that proccesses that submitted information, the original way for the submittion is a page that is hosted on the 3rd party, the form valus looks like this

<form name=form1 action="/somedirectory/directory/directory" method=“POST” onsubmit=“return processSubmitAndValidate();”>
<input type=hidden name=“bulkLoadType” value=“default”>
//then it has more values in it//

I want to create a locally stored form that would submit the values of the original page.

can some one please help me out with this.

thank you all.