/**
 * @fileoverview Open external links in a new window
 * 
 * @author PG @ Pirata [piratalondon.com]
 * 
 */
var links = function(){
	
	
	/**
	 * The options passed through to this function
	 *
	 * @var Object
	 * @private
	 */
	var options = {
		
		/**
		 * HTML link element to search for
		 *
		 * @var String
		 */
		element : 'a[rel="external"]'
	
	};

	/**
	 * Initialise the link popup functionality
	 * @return void
	 * @public
	 */
	var init = function(initOptions) {
		
		// save any options sent through to the intialisation script, if set
		for (var option in options) {
			if (!!initOptions[option] || initOptions[option] === false) {
				options[option] = initOptions[option];
			}
			
			// error check, if no element is specified then stop
			if (!options[option] && options[option] !== false) {
				return false;
			}
		}
		
		// bind a handler to the event (call a function when link is clicked)
		$(options.element).bind('click',function(e){
			handleClick(e, this);
		});
		$(options.element).attr('title', 'This link will open in a new window');
	};
	
	
	/**
	 * Handle click event - open the link in a new window
	 * @return void
	 * @private
	 */
	var handleClick = function(e, element) {
		e.preventDefault();
		window.open( $(element).attr('href') , "_blank" );
	};
	
	
	/**
	 * Return value, expose certain methods above
	 */
	return {
		init: init
	};
}();


/*
 * Example call:

 $(document).ready(function(){
	 
		links.init('a[rel="external"]');
  });

 */