diff --git a/common/static/js/vendor/html5-input-polyfills/number-polyfill.js b/common/static/js/vendor/html5-input-polyfills/number-polyfill.js
new file mode 100644
index 0000000000..080ae27be6
--- /dev/null
+++ b/common/static/js/vendor/html5-input-polyfills/number-polyfill.js
@@ -0,0 +1,299 @@
+// Generated by CoffeeScript 1.4.0
+
+/*
+HTML5 Number polyfill | Jonathan Stipe | https://github.com/jonstipe/number-polyfill
+*/
+
+
+(function() {
+
+ (function($) {
+ var i;
+ i = document.createElement("input");
+ i.setAttribute("type", "number");
+ if (i.type === "text") {
+ $.fn.inputNumber = function() {
+ var clipValues, decrement, domMouseScrollHandler, extractNumDecimalDigits, getParams, increment, matchStep, mouseWheelHandler;
+ getParams = function(elem) {
+ var $elem, max, min, step, val;
+ $elem = $(elem);
+ step = $elem.attr('step');
+ min = $elem.attr('min');
+ max = $elem.attr('max');
+ val = parseFloat($elem.val());
+ step = /^-?\d+(?:\.\d+)?$/.test(step) ? parseFloat(step) : null;
+ min = /^-?\d+(?:\.\d+)?$/.test(min) ? parseFloat(min) : null;
+ max = /^-?\d+(?:\.\d+)?$/.test(max) ? parseFloat(max) : null;
+ if (isNaN(val)) {
+ val = min || 0;
+ }
+ return {
+ min: min,
+ max: max,
+ step: step,
+ val: val
+ };
+ };
+ clipValues = function(value, min, max) {
+ if ((max != null) && value > max) {
+ return max;
+ } else if ((min != null) && value < min) {
+ return min;
+ } else {
+ return value;
+ }
+ };
+ extractNumDecimalDigits = function(input) {
+ var num, raisedNum;
+ if (input != null) {
+ num = 0;
+ raisedNum = input;
+ while (raisedNum !== Math.round(raisedNum)) {
+ num += 1;
+ raisedNum = input * Math.pow(10, num);
+ }
+ return num;
+ } else {
+ return 0;
+ }
+ };
+ matchStep = function(value, min, max, step) {
+ var mod, raiseTo, raisedMod, raisedStep, raisedStepDown, raisedStepUp, raisedValue, stepDecimalDigits, stepDown, stepUp;
+ stepDecimalDigits = extractNumDecimalDigits(step);
+ if (step == null) {
+ return value;
+ } else if (stepDecimalDigits === 0) {
+ mod = (value - (min || 0)) % step;
+ if (mod === 0) {
+ return value;
+ } else {
+ stepDown = value - mod;
+ stepUp = stepDown + step;
+ if ((stepUp > max) || ((value - stepDown) < (stepUp - value))) {
+ return stepDown;
+ } else {
+ return stepUp;
+ }
+ }
+ } else {
+ raiseTo = Math.pow(10, stepDecimalDigits);
+ raisedStep = step * raiseTo;
+ raisedMod = (value - (min || 0)) * raiseTo % raisedStep;
+ if (raisedMod === 0) {
+ return value;
+ } else {
+ raisedValue = value * raiseTo;
+ raisedStepDown = raisedValue - raisedMod;
+ raisedStepUp = raisedStepDown + raisedStep;
+ if (((raisedStepUp / raiseTo) > max) || ((raisedValue - raisedStepDown) < (raisedStepUp - raisedValue))) {
+ return raisedStepDown / raiseTo;
+ } else {
+ return raisedStepUp / raiseTo;
+ }
+ }
+ }
+ };
+ increment = function(elem) {
+ var newVal, params, raiseTo;
+ if (!$(elem).is(":disabled")) {
+ params = getParams(elem);
+ raiseTo = Math.pow(10, Math.max(extractNumDecimalDigits(params['val']), extractNumDecimalDigits(params['step'])));
+ newVal = (Math.round(params['val'] * raiseTo) + Math.round((params['step'] || 1) * raiseTo)) / raiseTo;
+ if ((params['max'] != null) && newVal > params['max']) {
+ newVal = params['max'];
+ }
+ newVal = matchStep(newVal, params['min'], params['max'], params['step']);
+ $(elem).val(newVal).change();
+ }
+ return null;
+ };
+ decrement = function(elem) {
+ var newVal, params, raiseTo;
+ if (!$(elem).is(":disabled")) {
+ params = getParams(elem);
+ raiseTo = Math.pow(10, Math.max(extractNumDecimalDigits(params['val']), extractNumDecimalDigits(params['step'])));
+ newVal = (Math.round(params['val'] * raiseTo) - Math.round((params['step'] || 1) * raiseTo)) / raiseTo;
+ if ((params['min'] != null) && newVal < params['min']) {
+ newVal = params['min'];
+ }
+ newVal = matchStep(newVal, params['min'], params['max'], params['step']);
+ $(elem).val(newVal).change();
+ }
+ return null;
+ };
+ domMouseScrollHandler = function(e) {
+ e.preventDefault();
+ if (e.originalEvent.detail < 0) {
+ increment(this);
+ } else {
+ decrement(this);
+ }
+ return null;
+ };
+ mouseWheelHandler = function(e) {
+ e.preventDefault();
+ if (e.originalEvent.wheelDelta > 0) {
+ increment(this);
+ } else {
+ decrement(this);
+ }
+ return null;
+ };
+ $(this).filter('input[type="number"]').each(function() {
+ var $downBtn, $elem, $upBtn, attrMutationCallback, attrObserver, btnContainer, downBtn, elem, halfHeight, upBtn;
+ elem = this;
+ $elem = $(elem);
+ halfHeight = ($elem.outerHeight() / 2) + 'px';
+ upBtn = document.createElement('div');
+ downBtn = document.createElement('div');
+ $upBtn = $(upBtn);
+ $downBtn = $(downBtn);
+ btnContainer = document.createElement('div');
+ $upBtn.addClass('number-spin-btn number-spin-btn-up').css('height', halfHeight);
+ $downBtn.addClass('number-spin-btn number-spin-btn-down').css('height', halfHeight);
+ btnContainer.appendChild(upBtn);
+ btnContainer.appendChild(downBtn);
+ $(btnContainer).addClass('number-spin-btn-container').insertAfter(elem);
+ $elem.on({
+ focus: function(e) {
+ $elem.on({
+ DOMMouseScroll: domMouseScrollHandler,
+ mousewheel: mouseWheelHandler
+ });
+ return null;
+ },
+ blur: function(e) {
+ $elem.off({
+ DOMMouseScroll: domMouseScrollHandler,
+ mousewheel: mouseWheelHandler
+ });
+ return null;
+ },
+ keypress: function(e) {
+ var _ref, _ref1;
+ if (e.keyCode === 38) {
+ increment(this);
+ } else if (e.keyCode === 40) {
+ decrement(this);
+ } else if (((_ref = e.keyCode) !== 8 && _ref !== 9 && _ref !== 35 && _ref !== 36 && _ref !== 37 && _ref !== 39) && ((_ref1 = e.which) !== 45 && _ref1 !== 46 && _ref1 !== 48 && _ref1 !== 49 && _ref1 !== 50 && _ref1 !== 51 && _ref1 !== 52 && _ref1 !== 53 && _ref1 !== 54 && _ref1 !== 55 && _ref1 !== 56 && _ref1 !== 57)) {
+ e.preventDefault();
+ }
+ return null;
+ },
+ change: function(e) {
+ var newVal, params;
+ if (e.originalEvent != null) {
+ params = getParams(this);
+ newVal = clipValues(params['val'], params['min'], params['max']);
+ newVal = matchStep(newVal, params['min'], params['max'], params['step'], params['stepDecimal']);
+ $(this).val(newVal);
+ }
+ return null;
+ }
+ });
+ $upBtn.on("mousedown", function(e) {
+ var releaseFunc, timeoutFunc;
+ increment(elem);
+ timeoutFunc = function(elem, incFunc) {
+ incFunc(elem);
+ $elem.data("timeoutID", window.setTimeout(timeoutFunc, 10, elem, incFunc));
+ return null;
+ };
+ releaseFunc = function(e) {
+ window.clearTimeout($elem.data("timeoutID"));
+ $(document).off('mouseup', releaseFunc);
+ $upBtn.off('mouseleave', releaseFunc);
+ return null;
+ };
+ $(document).on('mouseup', releaseFunc);
+ $upBtn.on('mouseleave', releaseFunc);
+ $elem.data("timeoutID", window.setTimeout(timeoutFunc, 700, elem, increment));
+ return null;
+ });
+ $downBtn.on("mousedown", function(e) {
+ var releaseFunc, timeoutFunc;
+ decrement(elem);
+ timeoutFunc = function(elem, decFunc) {
+ decFunc(elem);
+ $elem.data("timeoutID", window.setTimeout(timeoutFunc, 10, elem, decFunc));
+ return null;
+ };
+ releaseFunc = function(e) {
+ window.clearTimeout($elem.data("timeoutID"));
+ $(document).off('mouseup', releaseFunc);
+ $downBtn.off('mouseleave', releaseFunc);
+ return null;
+ };
+ $(document).on('mouseup', releaseFunc);
+ $downBtn.on('mouseleave', releaseFunc);
+ $elem.data("timeoutID", window.setTimeout(timeoutFunc, 700, elem, decrement));
+ return null;
+ });
+ $elem.css("textAlign", 'right');
+ if ($elem.css("opacity") !== "1") {
+ $(btnContainer).css("opacity", $elem.css("opacity"));
+ }
+ if ($elem.css("visibility") !== "visible") {
+ $(btnContainer).css("visibility", $elem.css("visibility"));
+ }
+ if (elem.style.display !== "") {
+ $(btnContainer).css("display", $elem.css("display"));
+ }
+ if ((typeof WebKitMutationObserver !== "undefined" && WebKitMutationObserver !== null) || (typeof MutationObserver !== "undefined" && MutationObserver !== null)) {
+ attrMutationCallback = function(mutations, observer) {
+ var mutation, _i, _len;
+ for (_i = 0, _len = mutations.length; _i < _len; _i++) {
+ mutation = mutations[_i];
+ if (mutation.type === "attributes") {
+ if (mutation.attributeName === "class") {
+ $(btnContainer).removeClass(mutation.oldValue).addClass(elem.className);
+ } else if (mutation.attributeName === "style") {
+ $(btnContainer).css({
+ "opacity": elem.style.opacity,
+ "visibility": elem.style.visibility,
+ "display": elem.style.display
+ });
+ }
+ }
+ }
+ return null;
+ };
+ attrObserver = (typeof WebKitMutationObserver !== "undefined" && WebKitMutationObserver !== null) ? new WebKitMutationObserver(attrMutationCallback) : ((typeof MutationObserver !== "undefined" && MutationObserver !== null) ? new MutationObserver(attrMutationCallback) : null);
+ attrObserver.observe(elem, {
+ attributes: true,
+ attributeOldValue: true,
+ attributeFilter: ["class", "style"]
+ });
+ } else if (typeof MutationEvent !== "undefined" && MutationEvent !== null) {
+ $elem.on("DOMAttrModified", function(evt) {
+ if (evt.originalEvent.attrName === "class") {
+ $(btnContainer).removeClass(evt.originalEvent.prevValue).addClass(evt.originalEvent.newValue);
+ } else if (evt.originalEvent.attrName === "style") {
+ $(btnContainer).css({
+ "display": elem.style.display,
+ "visibility": elem.style.visibility,
+ "opacity": elem.style.opacity
+ });
+ }
+ return null;
+ });
+ }
+ return null;
+ });
+ return $(this);
+ };
+ $(function() {
+ $('input[type="number"]').inputNumber();
+ return null;
+ });
+ null;
+ } else {
+ $.fn.inputNumber = function() {
+ return $(this);
+ };
+ null;
+ }
+ return null;
+ })(jQuery);
+
+}).call(this);