// jQuery script used site-wide
jQuery(document).ready(function($){

	// bind login link in page header
	var bindLoginLink = function() {
		if ($('#loginLink').length) { // check if element exists first.  #loginLink doesn't exist if user is logged in
			$('#loginLink').click(function() {
				$('#navLoginForm').slideToggle();
			});
		}
	};
	
	var bindTruncate = function() {
		$('.truncate').truncate( {
			length: 300,
			minTrail: 10,
			moreText: 'more...',
			lessText: 'less...',
			ellipsisText: " ..."
		});
	};

	bindLoginLink();
	bindTruncate();

});

// truncate function via http://blog.jeremymartin.name/2008/02/building-your-first-jquery-plugin-that.html
(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(
	      '<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;
	       });
	    }
	   } // end if
	   
	  });
	 };
	})(jQuery);