(function($){
 $.fn.truncate = function(options) {
    
  var defaults = {
   length: 300,
   minTrail: 20,
   moreText: "more",
   lessText: "less",
   ellipsisText: "..."
  };
  
  var options = $.extend(defaults, options);
    
  return this.each(function() {
   obj = $(this);
   var body = obj.html();
   
   if(body.length > options.length + options.minTrail) {
    var splitLocation = body.indexOf(' ', options.length);
    if(splitLocation != -1) {
     // truncate tip
     var splitLocation = body.indexOf(' ', options.length);
     var str1 = body.substring(0, splitLocation);
     var str2 = body.substring(splitLocation, body.length - 1);
     obj.html(str1 + '<span class="truncate_ellipsis">' + options.ellipsisText + 
      '</span>' + '<span  class="truncate_more">' + str2 + '</span>');
     obj.find('.truncate_more').css("display", "none");
     
     // insert more link
     obj.append(
      ' <span class="clearboth">' +
       '<a href="#" class="truncate_more_link">' +  options.moreText + '</a>' + 
      '</span>'
     );

     // set onclick event for more/less link
     var moreLink = $('.truncate_more_link', obj);
     var moreContent = $('.truncate_more', obj);
     var ellipsis = $('.truncate_ellipsis', obj);
     moreLink.click(function() {
      if(moreLink.text() == options.moreText) {
       moreContent.show('normal');
       moreLink.text(options.lessText);
       ellipsis.css("display", "none");
      } else {
       moreContent.hide('normal');
       moreLink.text(options.moreText);
       ellipsis.css("display", "inline");
      }
	  
      return false;
       });
    }
   } // end if
   
  });
 };
})(jQuery);