$(document).ready(function(){
   var bodyclass = $("body").attr("class");
  $("ul.subnav").each( function() {
    if(this.id != 'mainNav'+bodyclass){
      $(this).hide();
    }
  });
  
  $("#mainNav > li").each( function(){
      $(this).hoverIntent({
        sensitivity: 1,
        interval: 50,
        over: showDropNav,
        timeout: 1000,
        out: hideDropNav
    });   
   
  });
  

});

function showDropNav() {
   $(this).find("ul").slideDown("normal");
}

function hideDropNav() {
  var bodyclass = $("body").attr("class");
  if(this.id != 'mainNav'+bodyclass){
    $(this).find("ul").slideUp("fast");
  }
}