Greasemonkey script GM_xmlhttpRequest

Script to count recipient in one page and report in other page on different domain name I already have the script perfectly working but on the same domain I need somebody to change using GM_xmlhttpRequest cross domain. Script work in this way 1 Search page [login to view URL] 2 Search page [login to view URL] 3 Search page [login to view URL] for this link script create a table Link user 1 Total =45 Link user 2 Total =15 Link user 3 Total =35 (so the counter is generated with the script using .ajax and work well on the same domain I need to modify the script to ork on the same data but should POST the info on the different domain name I will send the script only by email