var dom = document.getElementById ? 1 : 0;
var ie = document.all ? 1 : 0;
var mac = (navigator.userAgent.indexOf("Mac") > -1) ? 1 : 0;
var ieReal = (ie && (!mac) && (typeof (window.offscreenBuffering) != 'undefined')) ? 1 : 0;

function changeOpacity(obj, opacity) {
  if (ieReal) {
    obj.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + (opacity * 100) + ')';
  } else if (dom) {
    obj.style.MozOpacity = opacity;
  }
}

// initialise plugins
jQuery(function() {
  //jQuery('ul.sf-menu').superfish();
  $(document).pngFix();
  
  //Image Fade in #sidebar
  var $imagefade = $('#bg-content .top-image ul.imagefade');
  var $isHome = $("#home-content");
  if($imagefade.length > 0){
	$('#bg-content .top-image ul.imagefade').innerfade({
      speed: 3000,
      timeout: 5000,
      type: 'sequence',
      containerheight:  ($isHome.length == 1 ? '387px' : '245px')
    });
  }else {
    $('#bg-content .top-image').remove(); 
    $('#bg-content').css({"padding-top":"30px"});
  }
  //initialise plugins
  jQuery('ul.sf-menu').superfish();
});