dear.user.js

// ==UserScript==
// @name         Dear Validation
// @namespace    http://tampermonkey.net/
// @version      0.6
// @description  Improve DEAR validation
// @author       timosolo.me
// @match        https://inventory.dearsystems.com/*
// @grant        unsafeWindow
// ==/UserScript==


// Request #1
var __Sale_Order_Complete = unsafeWindow.Sale_Order_Complete; // authorise action
var __Sale_Index_Submit = unsafeWindow.Sale_Index_Submit; // on save action
unsafeWindow.Sale_Order_Complete = function() {
    if ($("#tabQuote.TabCompleted").length && $("#cmbCustomerReference").val() === "")
        Ext.MessageBox.alert(WarningCaption, "Please add a Customer Reference");
    else
        __Sale_Order_Complete();
};
unsafeWindow.Sale_Index_Submit = function() {
    if ($("#tabQuote.TabCompleted").length && $("#cmbCustomerReference").val() === "")
        Ext.MessageBox.alert(WarningCaption, "Please add a Customer Reference");
    else
        __Sale_Index_Submit();
};

// Request #2
// On PO screen: Regardless of the status of the PO, when you save the order, If the “Inventory Account” field is "1708" and the
// location is “Greenville, SC”, issue Javascript alert() saying
// “The inventory account you’ve selected is not commonly used at the Greenville, SC location. Please review the SOP and correct this if necessary."
var __Purchase_Index_Save = unsafeWindow.Purchase_Index_Save; // save PO
var __Purchase_Order_Complete = unsafeWindow.Purchase_Order_Complete; // authorise PO 
unsafeWindow.Purchase_Index_Save = function() {
    if ($("#Purchase_Index_DefaultAccount").val().indexOf("1708") === 0 && $("#cmbLocation").val().indexOf("Greenville, SC") === 0)
    //if ($("#Purchase_Index_DefaultAccount").val().indexOf("718") === 0 && $("#cmbLocation").val().indexOf("Main") === 0)
        Ext.MessageBox.alert(WarningCaption, "The inventory account you’ve selected is not commonly used at the Greenville, SC location. Please review the SOP and correct this if necessary.");
    else
        __Purchase_Index_Save();
};
unsafeWindow.Purchase_Order_Complete = function() {
    if ($("#Purchase_Index_DefaultAccount").val().indexOf("1708") === 0 && $("#cmbLocation").val().indexOf("Greenville, SC") === 0)
        Ext.MessageBox.alert(WarningCaption, "The inventory account you’ve selected is not commonly used at the Greenville, SC location. Please review the SOP and correct this if necessary.");
    else
        __Purchase_Order_Complete();
};