(function($){
 $.fn.truncate=function(options){

	var defaults={
	 length:300,
	 minTrail:20,
	 moreText:"jsmore",
	 lessText:"jsless",
	 ellipsisText:"...js"
	};

	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(
		 '<div class="clearboth">' + '<a href="#" class="truncate_more_link">' + options.moreText + '</a>' + '</div>'
		);

		//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;
		}); //moreLink.click function
	  } // end if splitLocation
	 } // end if body.length
	}); // end return this.each
 } // end $.fn.truncate
})(jQuery);