var imageDir = "images/";
var t;
  
$(document).ready(function() {
  $(".nav-home").hover(function() {
  mainNavDrop('', 'all');
    $(this).find("img").attr("src", imageDir+"nav-home-on.jpg");
  },function() {
    t = setTimeout("setAllToInitState()", 500);
  });
  $(".nav-policyholders").hover(function() {
  mainNavDrop('', 'all');
    $(this).find("img").attr("src", imageDir+"nav-policyholders-on.jpg");
  mainNavDrop('policyholders', false);
  },function() {
    t = setTimeout("setAllToInitState()", 500);
  });
  $(".nav-agent").hover(function() {
  mainNavDrop('', 'all');
    $(this).find("img").attr("src", imageDir+"nav-agent-on.jpg");
  mainNavDrop('agent', false);
  },function() {
    t = setTimeout("setAllToInitState()", 500);
  });
  $(".nav-claims").hover(function() {
  mainNavDrop('', 'all');
    $(this).find("img").attr("src", imageDir+"nav-claims-on.jpg");
  mainNavDrop('claims', false);
  },function() {
    t = setTimeout("setAllToInitState()", 500);
  });
  $(".nav-about").hover(function() {
  mainNavDrop('', 'all');
    $(this).find("img").attr("src", imageDir+"nav-about-on.jpg");
  mainNavDrop('about', false);
  },function() {
    t = setTimeout("setAllToInitState()", 500);
  });
  $(".nav-employees").hover(function() {
  mainNavDrop('', 'all');
    $(this).find("img").attr("src", imageDir+"nav-employees-on.jpg");
  mainNavDrop('employees', false);
  },function() {
    t = setTimeout("setAllToInitState()", 500);
  });
  $(".nav-contact").hover(function() {
  mainNavDrop('', 'all');
    $(this).find("img").attr("src", imageDir+"nav-contact-on.jpg");
  },function() {
    t = setTimeout("setAllToInitState()", 500);
  });
  
  function mainNavDrop(navId, doRemove) {
  if(doRemove == false) {
    $("."+navId+"-dropdown").show();
    //t = setTimeout('$(".nav-dropdown").hide()', 3000);
  } else if(doRemove == "all") {
    clearTimeout(t);
    setAllToInitState();
  }
  }
    
  $(".nav-dropdown").hover(function() {
  clearTimeout(t);
  }, function() {
  t = setTimeout('setAllToInitState()', 500);
  });
});

function setAllToInitState() {
  $(".nav-home").find("img").attr("src", imageDir+"nav-home-off.jpg");
  $(".nav-claims").find("img").attr("src", imageDir+"nav-claims-off.jpg");
  $(".nav-policyholders").find("img").attr("src", imageDir+"nav-policyholders-off.jpg");
  $(".nav-agent").find("img").attr("src", imageDir+"nav-agent-off.jpg");
  $(".nav-about").find("img").attr("src", imageDir+"nav-about-off.jpg");
  $(".nav-employees").find("img").attr("src", imageDir+"nav-employees-off.jpg");
  $(".nav-contact").find("img").attr("src", imageDir+"nav-contact-off.jpg");
  $(".nav-dropdown").hide();
}