Script to highlight day of month for sun calendar

calendar_date.user.js

// ==UserScript==
// @name           Calender date
// @namespace      http://choffee.co.uk/code/
// @include        https://calendar.york.ac.uk/command.shtml?view=monthview:main*
// ==/UserScript==
//
// This is neither pretty or clever but it does fix a really annoying bit in sun calendar
// for me. It highlights the current day.
// Note: It should also check that you are looking at the correct month!
//
//
// Add jQuery
    var GM_JQ = document.createElement('script');
    GM_JQ.src = 'http://jquery.com/src/jquery-latest.js';
    GM_JQ.type = 'text/javascript';
    document.getElementsByTagName('head')[0].appendChild(GM_JQ);

// Check if jQuery's loaded
    function GM_wait() {
        if(typeof unsafeWindow.jQuery == 'undefined') { window.setTimeout(GM_wait,100); }
    else { $ = unsafeWindow.jQuery; letsJQuery(); }
    }
    GM_wait();

// All your GM code must be inside this function
    function letsJQuery() {
        // alert($); // check if the dollar (jquery) function works
        var currentTime = new Date()
        var month = currentTime.getMonth() + 1
        var day = currentTime.getDate()

        var cssObj = {
        'background-color' : '#FFFFFF',
        'font-weight' : 'bold',
        'color' : 'red'
        }


        $("font[size=2]:contains('"+ day + "')").css(cssObj);

    }