Export as PDF with options like bleed

[dpssundr]

I am trying to export my file as a pdf. I can get the export to work, with a PDF output style, but how can I change the options?
Like Bleed- zero, Marks- off, include blank pages. How would i write the applescript to accomplish this?
using Quark 9.5.4.1
Here's what i have so far:
tell application "QuarkXPress"
tell document 1
set pdfFile to ((path to Desktop) & "myfile.pdf") as string
export in pdfFIle as "pdf" PDF output style "Press - High Quality/High Resolution"
end tell
end tell