/* Preloading images */
(function($) {
	var cache = [];
	$.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);
		}
	}
})(jQuery)

/* Clearing & replacing form inputs */
function clear_input_fields(fields){
	$(fields).each(function(){
		var value = $(this).val();
		
		$(this)
		.focus( function() { if ($(this).val()==value) { $(this).val(""); } })
		.blur( function() { if ($(this).val()=="") { $(this).val(value); } });
	});
}

/* Cookie handling functions */
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function eraseCookie(name) {
	createCookie(name,"",-1);
}

$(function(){


/*********************
	 Popular links
**********************/

	$("#popular-links").append('<a href="#" class="switch">Keep Open</a>');
	
	// read the popular links cookie
	var cookie = readCookie("poplinks");
	if (cookie==="open") {
		$("#popular-links").prependTo("#popular-content");
		$("#popular-links a.switch").addClass("open").css("width","90px");
		// $("#container-popular .popular a").addClass("open");
		// $("#container-popular a").addClass("open");
        $("#toolsnav a").addClass("open");
	} else {
		$("#popular-links").css("display","none").prependTo("#popular-content");
	}
	// handle the Keep Open switch
	$("#popular-links a.switch").click(function() {
		var cookieState = readCookie("poplinks");
		if (cookieState==="open") {
			eraseCookie("poplinks");
			$(this).removeClass("open");
		} else {
			createCookie("poplinks","open",365)
			$(this).addClass("open");
		}
		return false;
	});
	
	// hide and move the popular links up to the top
	// $("#container-popular .popular a").click(function() {
	// $("#container-popular a").click(function() {
	   $("#toolsnav a").click(function() {
		var tab = $(this);
		if (tab.hasClass("open")) {
			$("#popular-links a.switch").css("width","0");
			$("#popular-links").slideUp( function() {
				tab.removeClass("open");
			});
		} else {
			tab.addClass("open");
			$("#popular-links").slideDown( function() {
				$("#popular-links a.switch").animate( { width:"90px" }, 200);
			});
		}
		return false;
	});
	

	

}); //End loaded jQuery