//fade effect

function imageFader() {
	var $active = $('#imgarea div.active');
	if ( $active.length == 0 ) $active = $('#imgarea div:last');
	var $next =  $active.next().length ? $active.next() : $('#imgarea div:first');
	$active.addClass('last-active');
	$next.css({opacity: 0.0})
		.addClass('active')
		.animate({opacity: 1.0}, 1500, function() {
			$active.removeClass('active last-active');
		});
}

//addClass at random

function randomElement() {
	var $elms  = $('#imgarea div');
	var rndNum = Math.floor(Math.random() * $elms.length );
	$( $elms[ rndNum ] ).addClass("active");
}

$(function() {
	randomElement();
	setInterval( "imageFader()", 5000 );
});

//open new window

$(function() {
	$('.ext')
	.attr("target","_blank");
});