How do you convert an Infopath form to XML web and vice versa

I have an Infopath created XML file that needs to work on a website and in Infopath.

Some users have infopath and some do not.  This wasn't a problem until other users who didn't have infopath needed to enter in data.  Easy solution was to get those users infopath but they will not be getting it.  So the solution was to use the XML generated file on a website.  The website would be the GUI.  

One of the problem is that I am just learning XML so it's a bit tough especially with microsoft tags in the headings.  I am not sure how to work with those.

Another problem I notice is that the Infopath generated tags are ALL unique.  (see code fragment below)

The original infopath form contains validations, text boxes, drop-down boxes, options, selections, and calendars pop-ups.

The users should be able to enter in data in either Infopath or via the web then send the XML generated file to another who would be using infopath or web to enter in additional data.

Does anyone know of any resources that can help with this?

Thanks in advance.

<!-- Code fragment -->
<?xml version="1.0" encoding="UTF-8"?>
<?mso-infoPathSolution solutionVersion="1.0.0.121" productVersion="12.0.0" PIVersion="1.0.0.0" href="myForm.xsn" name="urn:schemas-microsoft-com:office:infopath:my-form:-myXSD-2009-03-12T14-30-30" ?>
<?mso-application progid="InfoPath.Document" versionProgid="InfoPath.Document.2"?>
<my:myFields xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:ns1="http://schemas.microsoft.com/office/infopath/2003/myXSD/2009-03-26T18:50:50" xmlns:my="http://schemas.microsoft.com/office/infopath/2003/myXSD/2009-03-12T14:30:30" xmlns:xd="http://schemas.microsoft.com/office/infopath/2003" xml:lang="en-us">
	<my:group1>
		<my:field4></my:field4>
		<my:field1></my:field1>
		<my:field119></my:field119>
		<my:field120></my:field120>
		<my:field122></my:field122>
	</my:group1>
	<my:group2>
		<my:field5></my:field5>
		<my:field218></my:field218>
		<my:field219></my:field219>
	</my:group2>
	<my:group3>
		<my:field17></my:field17>
		<my:field280></my:field280>
	</my:group3>
	<my:group4>
		<my:field9></my:field9>
		<my:field10></my:field10>
		<my:field12></my:field12>
		<my:field13></my:field13>
		<my:field14></my:field14>
		<my:field15></my:field15>
		<my:group4a>
			<my:field233>false</my:field233>
			<my:field234>false</my:field234>
			<my:field235>false</my:field235>
			<my:field236>false</my:field236>
			<my:group69>
				<my:field530></my:field530>
			</my:group69>
		</my:group4a>
		<my:field110 xsi:nil="true"></my:field110>
		<my:field111 xsi:nil="true"></my:field111>
	</my:group4>

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