InfoPath Dev

Is there an easy way to make a field required only in a particular view?  My form has 4 views.  I'm using rules in the Form Open and Save option, so my form opens in a different view based on field values.  I would like to have a field be required if the form opens in a particular view. I've look at other posts in this ...

I edited the view1.xsl source file to reference an image in a picture library on my sharepoint site.  This image serves as a background image for a table in my form.  When I publish and open the form with InfoPath, the image is there.  However when I open my form in the browser, it does not show the image.  I viewed the source ...