I have developed a form for my website that directs a user to a different site and per-populates the form on the other site with information I want. I would like to take it one step further and make the below HTML fill out the form on the other site and then submit the form. Currently it just fills out the form on the other site but does not submit it. The user still has to click the submit button manually. Is there any way to do this? I was thinking there would be a way to use JavaScript to click the submit button on the other site.

This the the HTML i have on my site:
<form action="http://www.privatedutyhomecare.org/sections/consumers/locator.php" method="POST">
		<input name="state" size="25" type="hidden" value="MI" />
		<input name="company" size="25" type="hidden" value="Affordable HomeCare" />
				<button type="submit" class="imgpx">
							<img src="assets/images/logos/npda.png" alt="submit" width="51" class="nothing" height="40" />

Here is the code on the other site that I am trying to pre-fill and submit:
<form method="POST" action="locator.php">

		<p> <b>Select one or more criteria to search by:</b> </p>

		<p> <label for="i_company">Company:</label> <input type="text" name="company" id="i_company" size="30" value="" /> </p>

		<p> <label for="i_city">City:</label> <input type="text" name="city" id="i_city" size="20" value="" /> </p>

		<p> <label for="i_state">State:</label>

			<select name="state" id="i_state">
				<option value="" selected="selected">Any</option>
				<option value="AL">Alabama</option>
				<option value="AK">Alaska</option>
				<option value="AZ">Arizona</option>
				<option value="AR">Arkansas</option>

				<option value="CA">California</option>
				<option value="CO">Colorado</option>
				<option value="CT">Connecticut</option>
				<option value="DE">Delaware</option>
				<option value="DC">District of Columbia</option>
				<option value="FL">Florida</option>

				<option value="GA">Georgia</option>
				<option value="HI">Hawaii</option>
				<option value="ID">Idaho</option>
				<option value="IL">Illinois</option>
				<option value="IN">Indiana</option>
				<option value="IA">Iowa</option>

				<option value="KS">Kansas</option>
				<option value="KY">Kentucky</option>
				<option value="LA">Louisiana</option>
				<option value="ME">Maine</option>
				<option value="MD">Maryland</option>
				<option value="MA">Massachusetts</option>

				<option value="MI">Michigan</option>
				<option value="MN">Minnesota</option>
				<option value="MS">Mississippi</option>
				<option value="MO">Missouri</option>
				<option value="MT">Montana</option>
				<option value="NE">Nebraska</option>

				<option value="NV">Nevada</option>
				<option value="NH">New Hampshire</option>
				<option value="NJ">New Jersey</option>
				<option value="NM">New Mexico</option>
				<option value="NY">New York</option>
				<option value="NC">North Carolina</option>

				<option value="ND">North Dakota</option>
				<option value="OH">Ohio</option>
				<option value="OK">Oklahoma</option>
				<option value="OR">Oregon</option>
				<option value="PA">Pennsylvania</option>
				<option value="RI">Rhode Island</option>

				<option value="SC">South Carolina</option>
				<option value="SD">South Dakota</option>
				<option value="TN">Tennessee</option>
				<option value="TX">Texas</option>
				<option value="UT">Utah</option>
				<option value="VT">Vermont</option>

				<option value="VA">Virginia</option>
				<option value="WA">Washington</option>
				<option value="WV">West Virginia</option>
				<option value="WI">Wisconsin</option>
				<option value="WY">Wyoming</option>


		<p> <b>Or search within a specified distance by entering your zip (U.S.) or postal (Canada) code:</b> </p>

		<p> <label for="i_zip_code">Zip/Postal code:</label> <input type="text" name="zip_code" id="i_zip_code" size="7" maxlength="7" value="" /> </p>


			<label for="i_distance">Within:</label>
			<select name="distance" id="i_distance">
				<option value="5">5</option>
				<option value="10">10</option>
				<option value="20" selected="selected">20</option>
				<option value="50">50</option>

				<option value="100">100</option>
				<option value="150">150</option>
				<option value="200">200</option>
				<option value="250">250</option>
			</select> miles

		<p> <b>Optionally specify type of business:</b> </p>

		<p class="aligned"> <label for="i_business_type" class="inline">Type of Business:</label> <em>Hold down CTRL (PC) or Command (Mac) key and click to select more than one value</em> <br />

			<select name="business_type[]" id="i_business_type" multiple="multiple" size="4">
				<option value="Attendant Care">Attendant Care</option>

				<option value="Case Management">Case Management</option>
				<option value="Companion Care">Companion Care</option>
				<option value="Home Maker">Home Maker</option>
				<option value="Home Health Aide">Home Health Aide</option>
				<option value="Infusion Therapy">Infusion Therapy</option>
				<option value="Maternal/Child">Maternal/Child</option>

				<option value="Medical Adult Day Care">Medical Adult Day Care</option>
				<option value="Pediatrics">Pediatrics</option>
				<option value="Respite Care">Respite Care</option>
				<option value="Sitter">Sitter</option>
				<option value="Skilled Nursing">Skilled Nursing</option>
				<option value="Other">Other</option>


		<input type="hidden" name="search_type" value="Consumer Search" />		<p class="aligned"> <input type="submit" value="Search" /> </p>
		<input type="hidden" name="submit" value="1" />