I'm trying to run a webpage and I get this error. My page is using jQuery in it. Below are the references I have in my page.

Code:
        <link href="css/portal_standard_calendar.css" rel="stylesheet" type="text/css" />
        <link rel="stylesheet" href="http://code.jquery.com/ui/1.10.1/themes/base/jquery-ui.css" />
        <link rel="stylesheet" href="http://code.jquery.com/ui/1.10.1/themes/base/jquery-ui.css" />  
        <link rel='stylesheet' type='text/css' href='js/fullcalendar/theme.css' />
        <link rel='stylesheet' type='text/css' href='js/fullcalendar/fullcalendar.css' />
        <link rel='stylesheet' type='text/css' href='js/fullcalendar/fullcalendar.print.css' media='print' />  

        <script type='text/javascript' src='js/fullcalendar/fullcalendar.min.js'></script>
        <script type="text/javascript" src="http://code.jquery.com/ui/1.10.1/jquery-ui.js" ></script>
        <script type='text/javascript' src='js/jquery/jquery-ui-1.8.11.custom.min.js'></script>