var pwd = "";

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (pwd != changeImages.arguments[0]) {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_over = newImage("images/nav/home_over.gif");
		blogs_over = newImage("images/nav/blogs_over.gif");
		community_over = newImage("images/nav/community_over.gif");
		shop_over = newImage("images/nav/shop_over.gif");
		photos_over = newImage("images/nav/photos_over.gif");
		films_over = newImage("images/nav/films_over.gif");
		podcasts_over = newImage("images/nav/podcasts_over.gif");
		joinus_over = newImage("images/nav/joinus_over.gif");
		submitvideo_over = newImage("images/nav/submitvideo_over.gif");

		preloadFlag = true;
	}

	var delim = "";
	var dirtest = document.location.pathname.split('/');
	var delim = dirtest.length > 2 ? '/' : '.';
	var directory = document.location.pathname.split(delim);
		if (dirtest.length == 3) {
		
		pwd = directory[directory.length-1]; }
		
	if (dirtest.length == 4) {
	
		pwd = directory[directory.length-2]; }
	
	if (pwd == "about")   { document.about.src   = "/CGC_beta/images/shared/nav/about-down.png" }
	if (pwd == "24_7_vid")    { document.id24_7_vid.src    = "/CGC_beta/images/shared/nav/24_7_vid-down.png"  }
	if (pwd == "dvds")    { document.dvds.src    = "/CGC_beta/images/shared/nav/dvds-down.png"  }
	if (pwd == "shop")    { document.shop.src    = "/CGC_beta/images/shared/nav/shop-down.png"  }	
	if (pwd == "getInt")    { document.getInt.src    = "/CGC_beta/images/shared/nav/getInt-down.png"  }
	if (pwd == "links")    { document.link.src    = "/CGC_beta/images/shared/nav/links-down.png"  }	
	if (pwd == "news")    { document.news.src    = "/CGC_beta/images/shared/nav/news-down.png"  }
	
}