Variante 1 - WOW Slider

<!-- Start WOWSlider.com HEAD section -->
<link rel="stylesheet" type="text/css" href="engine1/style.css" />
<!-- End WOWSlider.com HEAD section -->
<style>
/* fix  wowslider */
#wowslider-container1 {
    position:absolute;
    z-index:1;
}
</style>

<script>
//regolazione altezza header
$(document).ready(hD);
$(window).on('resize', hD);

function hD() {
  var hImg = $('#wowslider-container1 img').height();
  $('#imHeader').css('height', hImg);
}
</script>

<!-- Start WOWSlider.com BODY section -->
QUI IL CODICE GENERATO DA WOWSLIDER (PUNTO 3)
<!-- End WOWSlider.com BODY section -->