Click outside JS class

gistfile1.js

var UIClickOutside = function(container, onClickOutside){
	var $container = $(container);

	this.bind = function(){
		$(document).on('mouseup.UIClickOutside', function (e){
			if (!$container.is(e.target) && $container.has(e.target).length === 0){
			    if(onClickOutside) onClickOutside(e.target);
			}
		});
	};

	this.unbind = function(){
		$(document).off('mouseup.UIClickOutside');
	};
};

// Usage example
var clickOutside = new UIClickOutside('.popup', function($clickedTarget){
	// Hide your block or anything else...
});

// Activate
clickOutside.bind();

// Deactivate
clickOutside.unbind();