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

}; 
$(document).ready(function() {
	$('#tabuser > ul').tabs();
	$('#ingresar').click(function(){
	  $('#head-loginout-box').fadeToggle();
	});
	$('#head-loginout-box-off').click(function(){
	  $('#head-loginout-box').fadeToggle();
	});
	$('#friend-sender').click(function(){
	  $('#send2friend_box').fadeToggle();
	});
		$('#send2friend_box-off').click(function(){
	  $('#send2friend_box').fadeToggle();
	});
});