var $Q = jQuery.noConflict();

$Q(document).ready(function() {
    $Q('a[href^="http://"],a[href^="http://"]').filter(function(){ 
		return this.hostname && this.hostname !== location.hostname; 
	})        
	.addClass("external")
	.attr( 'title', 'Link will open in new window')
	.click( function() {
		window.open(this.href);
		return false;
	});
});