customise excel.php for oscommerce

we use [login to view URL] to update our oscommerce database and and have added some new fields to the database. to match our spreadsheet we need $col1="Manufacturer Name"; $col2="Manufacturer Image"; $col3="Main Category"; $col4="Sub Categories"; $col5="Sub Sub Categories"; $col6="Product Model"; $col7="Product Image"; $col8="Product Price"; $col9="Product Weight"; $col10="Product Name"; $col11="Product Description"; $col13="products_price1"; $col14="products_price2"; $col15="products_price3"; $col16="products_price4"; $col17="products_price5"; $col18="products_price6"; $col19="products_price7"; $col19="products_price8"; $col20="products_sizechart"; the new fields are all in the products table attached is the forst few lines of our products table