var tags="";

$(document).ready(function() {

//start off by loading a bunch of appnotes
$("#displayarea").load("/applications/appnoteprovider.php?max=10");

// navigation

$("a.appnavtitle").click(function () {
	// adjust checks
	$(this).parents("li").children("ul").children("li").children("a").children("img").attr("src", "/images/check_half.png");
	
	// adjust tags
	updatetags();
	
	// adjust content
	$("#displayarea").load("/applications/appnoteprovider.php?tags="+tags);
});

$("a.appnavtag").click(function () {
	// adjust checks
	var thischeck = $(this).children("img").attr("src");
	
	if(thischeck == "/images/check_full.png")
	{				
		$(this).parents("li").siblings("li").children("a").children("img").attr("src", "/images/check_half.png");
		$(this).children("img").attr("src", "/images/check_half.png");
	}
	else
	{
		$(this).parents("li").siblings("li").children("a").children("img").attr("src", "/images/check_none.png");
		$(this).children("img").attr("src", "/images/check_full.png");
	}	
	
	// adjust tags
	updatetags();
	
	// adjust content
	$("#displayarea").load("/applications/appnoteprovider.php?tags="+tags);
	});
});

function updatetags() {
	tags = "";
	$("img[src$='check_full.png']").each( function () {
		tags += $(this).parent().text() + ", ";
	});
	
	tags = escape(tags);
}