$(document).ready(function() 
    { 
        $('dd').hide();
		
        $("#mff-instructions dt a").click( function() {
		$('#mff-sens-instructions dd').hide();
		$('#jfc-instructions dd').hide();
		$('#jfc-sens-instructions dd').hide();
		$('#yfc-lo-instructions dd').hide();
		$('#yfc-lo-sens-instructions dd').hide();
		$('#yfc-hi-instructions dd').hide();
		$('#yfc-hi-sens-instructions dd').hide();
			 $("#mff-instructions dd").toggle(200);return false;
        });
		
		$("#mff-sens-instructions dt a").click( function() {
		$('#mff-instructions dd').hide();
		$('#jfc-instructions dd').hide();
		$('#jfc-sens-instructions dd').hide();
		$('#yfc-lo-instructions dd').hide();
		$('#yfc-lo-sens-instructions dd').hide();
		$('#yfc-hi-instructions dd').hide();
		$('#yfc-hi-sens-instructions dd').hide();
        	$("#mff-sens-instructions dd").toggle(200);return false;
        });
	
		
        $("#jfc-instructions dt a").click( function() {
		$('#mff-sens-instructions dd').hide();
		$('#mff-instructions dd').hide();
		$('#jfc-sens-instructions dd').hide();
		$('#yfc-lo-instructions dd').hide();
		$('#yfc-lo-sens-instructions dd').hide();
		$('#yfc-hi-instructions dd').hide();
		$('#yfc-hi-sens-instructions dd').hide();
           $("#jfc-instructions dd").toggle(200);return false;
        });
		
		$("#jfc-sens-instructions dt a").click( function() {
		$('#mff-sens-instructions dd').hide();
		$('#mff-instructions dd').hide();
		$('#jfc-instructions dd').hide();
		$('#yfc-lo-instructions dd').hide();
		$('#yfc-lo-sens-instructions dd').hide();
		$('#yfc-hi-instructions dd').hide();
		$('#yfc-hi-sens-instructions dd').hide();
           $("#jfc-sens-instructions dd").toggle(200);return false;
        });
		
		$("#yfc-lo-instructions dt a").click( function() {
		$('#mff-sens-instructions dd').hide();
		$('#mff-instructions dd').hide();
		$('#jfc-instructions dd').hide();
		$('#jfc-sens-instructions dd').hide();
		$('#yfc-lo-sens-instructions dd').hide();
		$('#yfc-hi-instructions dd').hide();
		$('#yfc-hi-sens-instructions dd').hide();
           $("#yfc-lo-instructions dd").toggle(200);return false;
        });
		
		$("#yfc-lo-sens-instructions dt a").click( function() {
		$('#mff-sens-instructions dd').hide();
		$('#mff-instructions dd').hide();
		$('#jfc-instructions dd').hide();
		$('#jfc-sens-instructions dd').hide();
		$('#yfc-lo-instructions dd').hide();
		$('#yfc-hi-instructions dd').hide();
		$('#yfc-hi-sens-instructions dd').hide();
           $("#yfc-lo-sens-instructions dd").toggle(200);return false;
        });
		
		$("#yfc-hi-instructions dt a").click( function() {
		$('#mff-sens-instructions dd').hide();	   
		$('#mff-instructions dd').hide();
		$('#jfc-instructions dd').hide();
		$('#jfc-sens-instructions dd').hide();
		$('#yfc-lo-sens-instructions dd').hide();
		$('#yfc-lo-instructions dd').hide();
		$('#yfc-hi-sens-instructions dd').hide();
           $("#yfc-hi-instructions dd").toggle(200);return false;
        });
		
		$("#yfc-hi-sens-instructions dt a").click( function() {
		$('#mff-sens-instructions dd').hide();	   
		$('#mff-instructions dd').hide();
		$('#jfc-instructions dd').hide();
		$('#jfc-sens-instructions dd').hide();
		$('#yfc-lo-sens-instructions dd').hide();
		$('#yfc-lo-instructions dd').hide();
		$('#yfc-hi-instructions dd').hide();
           $("#yfc-hi-sens-instructions dd").toggle(200);return false;
        });

		
    } 
);