scrape images using excel list of reference numbers

i need a program, which does the following on tecdoc web catalog: ->look's up part-reference-numbers from an excel file ([login to view URL]) ->for each part-ref-number in list (list could contain many thousands) it will: ->search the part-ref-number (there is a button on the site, which we press to ensure an exact match) ->chooses the supplier (which we must give to the program before the program begins) ->saves the image, as the part-ref-number name in a specified folder. -> creates an output excel file, which called imagelist-[supplier].xls, where [supplier] is the suppier name specified by us to the program. in the list there will be part-ref-number column, and a column with the image filename.