jQuery.fn.fadeToggle = function(speed, easing, callback) {
  return this.animate({opacity: 'toggle'}, speed, easing, callback);  
};

$(document).ready(function() {
	$('#blind').hide();
  $('#fade').click(function() {
    $(this).next().fadeToggle('slow');
  });
  
});


jQuery.fn.fadeSomeToggle = function(speed, easing, callback) {
  var op = $(this).css('opacity');
  return this.animate({opacity: op != 0.5 ? 0.5 : 1.0}, speed, easing, callback);
};


jQuery.fn.slideFadeToggle = function(speed, easing, callback) {
  return this.animate({opacity: 'toggle', height: 'toggle'}, speed, easing, callback);  
};

$(document).ready(function() {
  $('#slide-fade').click(function() {
    $(this).next().slideFadeToggle('slow', function() {
      var $this = $(this);
     
    });
  });
  
});

jQuery.fn.blindToggle = function(speed, easing, callback) {
  var h = this.height() + parseInt(this.css('paddingTop')) + parseInt(this.css('paddingBottom'));
  return this.animate({marginTop: parseInt(this.css('marginTop')) < 0 ? 0 : -h}, speed, easing, callback);  
};

$(document).ready(function() {
  var $box = $('#box')
    .wrap('<div id="box-outer"></div>');
  $('#blind').click(function() {
    $box.blindToggle('slow');  
  });    
});






jQuery.fn.fadeIn = function(speed, callback) { 
    return this.animate({opacity: 'show'}, speed, function() { 
        if (jQuery.browser.msie)  
            this.style.removeAttribute('filter');  
        if (jQuery.isFunction(callback)) 
            callback();  
    }); 
}; 
 
jQuery.fn.fadeOut = function(speed, callback) { 
    return this.animate({opacity: 'hide'}, speed, function() { 
        if (jQuery.browser.msie)  
            this.style.removeAttribute('filter');  
        if (jQuery.isFunction(callback)) 
            callback();  
    }); 
}; 
 
jQuery.fn.fadeTo = function(speed,to,callback) { 
    return this.animate({opacity: to}, speed, function() { 
        if (to == 1 && jQuery.browser.msie)  
            this.style.removeAttribute('filter');  
        if (jQuery.isFunction(callback)) 
            callback();  
    }); 
};