(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);