/*
http://www.alistapart.com/articles/sprites2
*/

function generateSprites(parent, selectedPrefix, setActive, hoverSpeed, style) {
	// throw the parent object's class into a variable
	var parentClass = $(parent).attr("class");

	// start a loop that cycles through each of the li elements inside the parent element
	$(parent).children("li").each(function() {
		// create a few variables that we'll need during this function:
		// myClass = the class of the object we're currently inspecting
		// current = what the selected class should look like for the parent of the object we're currently inspecting
		var myClass = ($(this).attr("class"))
		var current = parent.substring(1) + " current-" + ($(this).attr("class"));

		// turn on nav events for element this loop identifies
		attachNavEvents(parent, myClass, setActive, hoverSpeed, style);
	
		// let's hide the CSS-defined background image, but only if this isn't the currently-selected item
		if (parentClass != current) {
			$(this).children("a").css({backgroundImage:"none"});
		}

	});
}

function attachNavEvents(parent, myClass, setActive, hoverSpeed, style) {
	$(parent + " ." + myClass).mouseover(function() {
		// create pseudo-link
		$(this).append('<div class="nav-' + myClass + '"></div>');
		// either slide or fade, depending on the style value
		if (style == "slide") {
			// slide down the pseudo-link
			$("div.nav-" + myClass).css({display:"none"}).slideDown(hoverSpeed);
		} else {
			// fade in the pseudo-link
			$("div.nav-" + myClass).css({display:"none"}).fadeIn(hoverSpeed);
		}
	}).mouseout(function() {
		// either slide or fade, depending on the style value
		if (style == "slide") {
			// slide up & destroy pseudo-link
			$("div.nav-" + myClass).slideUp(hoverSpeed, function() {
				$(this).remove();
			});
		} else {
			// fade out & destroy pseudo-link
			$("div.nav-" + myClass).fadeOut(hoverSpeed, function() {
				$(this).remove();
			});
		}
	});


	// we only want to check the mousedown/up events if the CSS exists for :active states
	// if so, let's apply our selective filtering to undo the events above
	if (setActive) {
		$(parent + " ." + myClass).mousedown(function() {
			$("div.nav-" + myClass).attr("class", "nav-" + myClass + "-click");
		}).mouseup(function() {
			$("div.nav-" + myClass + "-click").attr("class", "nav-" + myClass);
		});
	}
}

$(document).ready(function(){
	generateSprites(".nav", "current-", true, 250, "fade");
	Cufon.replace('h1', {textShadow: '#000 0 1px 0'});
	Cufon.replace('h2', {textShadow: '#000 0 1px 0'});

	var servicesOptions = {
		direction:  'left'
	}
	$('.serviceImage').popeye(servicesOptions);

	$("#contentArea .imageRight").each(function() {
		$(this).wrap("<div class='imageRightContainer' />").after("<p class='caption'>" + $(this).attr("alt") + "</p>");
	});
	$("#contentArea .imageLeft").each(function() {
		$(this).wrap("<div class='imageLeftContainer' />").after("<p class='caption'>" + $(this).attr("alt") + "</p>");
	});

	$(".contentList li").hover(
		function () {
			$(this).addClass("hover");
		}, 
		function () {
			$(this).removeClass("hover");
		}
	);
	$(".contentList .article").hover(
		function () {
			$(this).addClass("hover");
		}, 
		function () {
			$(this).removeClass("hover");
		}
	).click( function() {
		var goToLink = $(this).find("h2 a").attr("href");
		if (goToLink != undefined) {
			window.location = goToLink;
		};
	});
});