Datefields in IE vs Others

I know this has been asked before but due to my limited access, I am unable to review solutions.

I have the following form window defined:

Code:

payForStore = Ext.create('Ext.data.Store', {
    autoDestroy: true,
    fields: ['paymentfor'],
    data: [{"paymentfor": "PRODUCTS"},
           {"paymentfor": "SERVICES"},
           {"paymentfor": "SELF-PAY"},
           {"paymentfor": "OTHER"}
    ]
});
paySrcStore = Ext.create('Ext.data.Store', {
    autoDestroy: true,
    fields: ['paymentsrc'],
    data: [{"paymentsrc": "PATIENT"},
           {"paymentsrc": "INSURANCE"}
    ]
});
payMethStore = Ext.create('Ext.data.Store', {
    autoDestroy: true,
    fields: ['paymentmeth'],
    data: [{"paymentmeth": "CASH"},
           {"paymentmeth": "CHECK"},
           {"paymentmeth": "CREDIT CARD"},
           {"paymentmeth": "MONEY ORDER"},
           {"paymentmeth": "EFT"},
           {"paymentmeth": "OTHER"}
    ]
});
Ext.define('CPSClientApp.view.client.payform', {
    extend: 'Ext.window.Window',
    alias: 'widget.paydataform',
    layout: 'fit',
    stateful: true,
    stateId: 'paydataform_state',
    isNew: false,
    title: 'Payment Ledger Record Editor',
    width: 475,
    height: 470,
    modal: true,
    closable: false,
    shadow: 'drop',
    shadowOffset: 10,
    closeAction: 'hide',
    items: [{
        xtype: 'form',
        url: './data/paydata.php',
        border: false,
        waitMsgTarget: true,
        defaultType: 'textfield',
        defaults: {
            labelWidth: 110,
            labelAlign: 'right',
            enforceMaxLength: true,
            anchor: '100%'
        },
        items: [{
            xtype: 'hidden',
            name: 'recordid'
        }, {
            xtype: 'fieldset',
            title: 'Payment Information',
            margin: 10,
            padding: 10,
            defaultType: 'textfield',
            defaults: {
                labelWidth: 110,
                labelAlign: 'right',
                enforceMaxLength: true,
                anchor: '100%'
            },
            items: [{
                xtype: 'datefield',
                name: 'paydate',
                fieldLabel: 'Payment Date',
                disabled: true
            }, {
                xtype: 'fieldcontainer',
                defaultType: 'combobox',
                defaults: {
                    queryMode: 'local',
                    labelAlign: 'right',
                    labelWidth: 110,
                    listConfig: {
                        style: {
                            background: '#D8D8D8'
                        }
                    }
                },
                layout: 'hbox',
                items: [{
                    xtype: 'combobox',
                    store: payForStore,
                    name: 'payfor',
                    fieldLabel: 'Payment For',
                    displayField: 'paymentfor',
                    valueField: 'paymentfor',
                    flex: 1
                }, {
                    xtype: 'combobox',
                    store: paySrcStore,
                    name: 'paysource',
                    fieldLabel: 'Source',
                    labelWidth: 60,
                    displayField: 'paymentsrc',
                    valueField: 'paymentsrc',
                    width: 190
                }]
            }, {
                name: 'sourcename',
                fieldLabel: 'Source Name',
                maxLength: 50,
                listeners: {
                    blur: function (field, options) {
                        field.setValue(field.getValue().toUpperCase());
                    }
                }
            }, {
                name: 'accountid',
                fieldLabel: 'Account ID',
                maxLength: 20,
                listeners: {
                    blur: function (field, options) {
                        field.setValue(field.getValue().toUpperCase());
                    }
                }
            }, {
                xtype: 'fieldcontainer',
                layout: 'hbox',
                defaults: {
                    queryMode: 'local',
                    labelAlign: 'right',
                    labelWidth: 110,
                    listConfig: {
                        style: {
                            background: '#D8D8D8'
                        }
                    }
                },
                layout: 'hbox',
                items: [{
                    xtype: 'combobox',
                    store: payMethStore,
                    name: 'paymethod',
                    fieldLabel: 'Method',
                    displayField: 'paymentmeth',
                    valueField: 'paymentmeth',
                    flex: 1,
                }, {
                    xtype: 'textfield',
                    name: 'payamount',
                    fieldLabel: 'Amount',
                    labelWidth: 60,
                    width: 165,
                    listeners: {
                        blur: function (field, options) {
                            newval = field.getValue().replace(/[^0-9\.]/g, '')
                            field.setValue(Ext.util.Format.usMoney(newval));
                        }
                    }
                }]
            }, {
                name: 'docid',
                fieldLabel: 'Document ID',
                maxLength: 15,
                listeners: {
                    blur: function (field, options) {
                        field.setValue(field.getValue().toUpperCase());
                    }
                }
            }, {
                xtype: 'textareafield',
                name: 'comments',
                fieldLabel: 'Comments',
                grow: true,
                height: 150,
                maxLength: 255,
                listeners: {
                    blur: function (field, options) {
                        field.setValue(field.getValue().toUpperCase());
                    }
                }
            }]
        }]
    }],
    buttons: [{
        text: 'Save',
        action: 'btn_save'
    }, {
        text: 'Cancel',
        action: 'btn_cancel'
    }]
});