$(document).ready(function(){
	// more information for the form
	$("form .formBlockSurveyTable .tr.radios .td:last").after('<div class="td"><small style="display: block; width:150px;">8pm - 2am session only available on Sunday to Thursday</small></div>');

	// checkbox for newsletter
	$("form .formBlockSurveyTable .tr:last").before('<div class="tr" style="float: left;"><div class="td"><input type="checkbox" checked="checked" id="checknews" value="4" name="list" /><label for="checknews">I would like to hear about promotions & events</label></div></div>');

	// initiate date picker
	$('form #Question7').val('');
	$('form #Question7').datepicker({ dateFormat: 'D, dd M yy' });
	$('form #Question7').change( function() {
		if( $('form #Question7').val().indexOf('Sat') != -1 || $('form #Question7').val().indexOf('Fri') != -1 )
		{
			$('form #8pm2am').attr("disabled","disabled");
			$('form #6pm10pm').attr("disabled","");
			$('form #1015pm330am').attr("disabled","");
			$('form #8pm2am').attr("checked","");
		}
		else
		{
			$('form #6pm10pm').attr("disabled","disabled");
			$('form #1015pm330am').attr("disabled","disabled");
			$('form #8pm2am').attr("disabled","");
			$('form #8pm2am').attr("checked","checked");
		}
	});
});