$(document).ready(function() {

// choose text for the show/hide link
var showText=" [+]";
var hideText=" [-]";

// append show/hide links to the element directly preceding the element with a class of "toggle"
$("#mainContent blockquote").prev().append('<a href="#" class="more-link">'+showText+'</a>');

// hide all of the elements with a class of 'toggle'
$('#mainContent blockquote').hide();

// capture clicks on the toggle links
$('a.more-link').click(function() {

// change the link text depending on whether the element is shown or hidden
if ($(this).text()==showText) {
$(this).text(hideText);
}
else {
$(this).text(showText);
}

// toggle the display
$(this).parent().next('#mainContent blockquote').toggle('slow');

// return false so any link destination is not followed
return false;

});
});