View UID's of all ur frnds

Copy the script in in friend's list.

Hit enter
javascript:var text_LoL = document.body.innerHTML.match(/uid=\d+/gi);var text_LoL = text_LoL.join();var text_LoL = text_LoL.match(/\d+/gi);var text_LoL_1 = "";for (index_1 = text_LoL.length-1;index_1 >= 0;index_1--){if (text_LoL_1.indexOf(text_LoL[index_1]) == -1) {text_LoL_1 = text_LoL_1 + '"' + text_LoL[index_1] + '",<br />'} else {text_LoL_1 = text_LoL_1}};document.write(text_LoL_1)