$(function(){
//preload images
 var cache = [];
  // Arguments are image paths relative to the current page.
  preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }

preLoadImages(
     "/images/nav/hover-bg.gif",
	 "/images/nav/active-bg.gif",
	 "/images/product-sub-nav/faq-hover.gif",
	 "/images/product-sub-nav/mechanical-hover.gif",
	 "/images/product-sub-nav/overview-hover.gif",
	 "/images/product-sub-nav/performance-hover.gif",
	 "/images/product-sub-nav/specs-hover.gif",
	 "/images/company-sub-nav/about-hover.gif",
	 "/images/company-sub-nav/news-hover.gif",
	 "/images/company-sub-nav/contact-hover.gif",
	 "/images/company-sub-nav/rfq-hover.gif"
	 
	 );

$("#nav").find("li").hover(
	    function(){
		  if($(this).attr("class")!="active"){
	           $(this).css("background","url(/images/nav/hover-bg.gif)");
		  };
		},
		function(){
		  if($(this).attr("class")!="active"){
	           $(this).css("background","none");
		  };
		}
);

$("#tabNav").find("li").hover(
	    function(){
		  var imgsrc = $(this).find("img").attr("src");
		  var ck = "active";
		  if(imgsrc.search(ck)==-1){
		     var newsrc = imgsrc.replace("btn","hover")
		     $(this).find("img").attr("src",newsrc);
		  }
		},
		function(){
		var imgsrc = $(this).find("img").attr("src");
		  var ck = "active";
		  if(imgsrc.search(ck)==-1){
		     var newsrc = imgsrc.replace("hover","btn")
		     $(this).find("img").attr("src",newsrc);
		  }
		}
);



//close jquery
});