Removes unwanted spaces from barcode input fields on EventInventory.com

gistfile1.js

// ==UserScript==
// @name            EI Barcode De-Spacer
// @namespace       TeamOneTickets
// @include         https://www.eventinventory.com//Basic/AirBillManager/Barcode.aspx*
// @description     Removes unwanted spaces from barcode input fields because EI doesn't know how to RegEx
// @copyright       Team One Tickets & Sports Tours, Inc.
// @version         1.0
// @license         BSD
// ==/UserScript==

// Install this into Chrome using Tampermonkey (https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo)
// Shoudl also work with Greasemonkey on FireFix (not tested)

function strip(e) {
    e.value = e.value.replace(/[\n\t]*/g,"").replace(/[ ]+/g,"");
}

var boxes = document.evaluate("//input[@type='text']",document,null,6,null);

for(var i=boxes.snapshotLength-1; (item=boxes.snapshotItem(i)); i--) {
    item.addEventListener('blur', function(e){strip(e.currentTarget);}, false);
}