https://www.949vans.com/scripts/storefront.ie10.js

1ns$(function ($) {
2    // Patch fractional .x, .y form parameters for IE10.
3    if (typeof (Sys) !== 'undefined' && Sys.Browser.agent === Sys.Browser.InternetExplorer && Sys.Browser.version === 10) {
4        Sys.WebForms.PageRequestManager.getInstance()._onFormElementActive = function Sys$WebForms$PageRequestManager$_onFormElementActive(element, offsetX, offsetY) {
5            if (element.disabled) {
6                return;
7            }
8            this._activeElement = element;
9            this._postBackSettings = this._getPostBackSettings(element, element.name);
10            if (element.name) {
11                var tagName = element.tagName.toUpperCase();
12                if (tagName === 'INPUT') {
13                    var type = element.type;
14                    if (type === 'submit') {
15                        this._additionalInput = encodeURIComponent(element.name) + '=' + encodeURIComponent(element.value);
16                    }
17                    else if (type === 'image') {
18                        this._additionalInput = encodeURIComponent(element.name) + '.x=' + Math.floor(offsetX) + '&' + encodeURIComponent(element.name) + '.y=' + Math.floor(offsetY);
19                    }
20                }
21                else if ((tagName === 'BUTTON') && (element.name.length !== 0) && (element.type === 'submit')) {
22                    this._additionalInput = encodeURIComponent(element.name) + '=' + encodeURIComponent(element.value);
23                }
24            }
25        };
26    }
27});