SimGive winter event

// ==UserScript==
// @name         Simultaneous Ending Time setter
// @namespace    http://steamcommunity.com/id/tragikos/
// @version      0.3
// @description  A button that sets the correct ending time for your giveaway according to your timezone
// @author       tragikos
// @match        http://www.steamgifts.com/giveaways/new
// @grant        none
// @run-at       document-end
// ==/UserScript==

var eventDateUTC = '1/1/2016 00:00:00 UTC'; // 1st of July
var startingTimeMinOffset = 5;
var groupId = "1898";
var description="##Simultaneous Giveaways Winter 2015  \n\n----------------  \n\n";

function formatDate(date) {
    var formattedDate = $.datepicker.formatDate('M d, yy', date);
    var hours = date.getHours()%12 < 10 ? '0'+date.getHours()%12 : date.getHours()%12;
    var minutes = date.getMinutes() < 10 ? '0'+date.getMinutes() : date.getMinutes();
        var ampm = date.getHours() >= 12 ? 'pm' : 'am';
    formattedDate += " " + hours + ":" + minutes + " " + ampm;

    return formattedDate;
}

function applyDates() {
    $("input[name='start_time']").val(formatDate(new Date(new Date().getTime() + startingTimeMinOffset*60000)));

    var date = new Date(eventDateUTC);
    $("input[name='end_time']").val(formatDate(date));
}

function applyRegionRestrictions() {
    $("div[data-checkbox-value='0']").trigger("click");
}

function applyGroup() {
    $("div[data-checkbox-value='groups']").trigger("click");
    $("div[data-group-id='" + groupId + "']").children('div').eq(1).trigger("click");
}

function applyGenericDescription(){
    var newDesc = description + $("textarea[name='description']").val().replace(description, "");
    $("textarea[name='description']").val(newDesc);
}

$(".form__time-container").children('div').eq(1).after('<div id="dateBtn" class="form__submit-button js__submit-form"><i class="fa fa-arrow-circle-right"></i> SimGive Date</div>');
$("#dateBtn").css({
    'height': '32px'
});

$("#dateBtn").click(function() {
        applyDates();
    applyRegionRestrictions();
    applyGroup();
    applyGenericDescription();
});