// page init
jQuery(function(){
	initClearInputs();
	initAccordion();
	initOpenClose();
});

function initAccordion(){
	jQuery('ul#menu').multiAccordion({
		activeClass:'active',
		opener:'>span',
		slider:'>ul',
		collapsible:true,
		slideSpeed: 350
	});
}

function initOpenClose(){
	var animSpeed = 400;
	var activeClass = 'active';
	jQuery(".post-list > li").each(function(){
		var holder = jQuery(this);
		var opener = holder.find(".button");
		var content = holder.find(".open-close-content");
		holder.find(".open-close-content").not(jQuery(".open-close-content:first")).hide();
		jQuery(".post-list > li").eq(0).addClass(activeClass);
		opener.click(function(){
			if(!content.is(':animated')) {
				if(holder.hasClass(activeClass)){
					holder.removeClass(activeClass);
					content.slideUp(animSpeed);
				} else{
					holder.addClass(activeClass);
					content.slideDown(animSpeed);
				}
			}
			return false;
		});
	});
}

// clear inputs init
function initClearInputs(){
	clearFormFields({
		clearInputs: true,
		clearTextareas: true,
		passwordFieldText: true,
		addClassFocus: "focus",
		filterClass: "default"
	});
}

// clear inputs function
function clearFormFields(o)
{
	if (o.clearInputs == null) o.clearInputs = true;
	if (o.clearTextareas == null) o.clearTextareas = true;
	if (o.passwordFieldText == null) o.passwordFieldText = false;
	if (o.addClassFocus == null) o.addClassFocus = false;
	if (!o.filterClass) o.filterClass = "default";
	if(o.clearInputs) {
		var inputs = document.getElementsByTagName("input");
		for (var i = 0; i < inputs.length; i++ ) {
			if((inputs[i].type == "text" || inputs[i].type == "password") && inputs[i].className.indexOf(o.filterClass) == -1) {
				inputs[i].valueHtml = inputs[i].value;
				inputs[i].onfocus = function ()	{
					if(this.valueHtml == this.value) this.value = "";
					if(this.fake) {
						inputsSwap(this, this.previousSibling);
						this.previousSibling.focus();
					}
					if(o.addClassFocus && !this.fake) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				inputs[i].onblur = function () {
					if(this.value == "") {
						this.value = this.valueHtml;
						if(o.passwordFieldText && this.type == "password") inputsSwap(this, this.nextSibling);
					}
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
				if(o.passwordFieldText && inputs[i].type == "password") {
					var fakeInput = document.createElement("input");
					fakeInput.type = "text";
					fakeInput.value = inputs[i].value;
					fakeInput.className = inputs[i].className;
					fakeInput.fake = true;
					inputs[i].parentNode.insertBefore(fakeInput, inputs[i].nextSibling);
					inputsSwap(inputs[i], null);
				}
			}
		}
	}
	if(o.clearTextareas) {
		var textareas = document.getElementsByTagName("textarea");
		for(var i=0; i<textareas.length; i++) {
			if(textareas[i].className.indexOf(o.filterClass) == -1) {
				textareas[i].valueHtml = textareas[i].value;
				textareas[i].onfocus = function() {
					if(this.value == this.valueHtml) this.value = "";
					if(o.addClassFocus) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				textareas[i].onblur = function() {
					if(this.value == "") this.value = this.valueHtml;
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
			}
		}
	}
	function inputsSwap(el, el2) {
		if(el) el.style.display = "none";
		if(el2) el2.style.display = "inline";
	}
}

// multilevel accordion plugin
jQuery.fn.multiAccordion = function(_options){
	// default options
	var _options = jQuery.extend({
		activeClass:'active',
		opener:'.opener',
		slider:'.slide',
		slideSpeed: 400,
		collapsible:true,
		event:'click'
	},_options);

	return this.each(function(){
		// options
		var _event = _options.event;
		var _accordion = jQuery(this);
		var _items = _accordion.find(':has('+_options.slider+')');

		_items.each(function(){
			var _holder = jQuery(this);
			var _opener = _holder.find(_options.opener);
			var _slider = _holder.find(_options.slider);
			_opener.bind(_event, function(){
				if(!_slider.is(':animated')) {
					if(_holder.hasClass(_options.activeClass)) {
						if(_options.collapsible) {
							_slider.slideUp(_options.slideSpeed, function(){
								_holder.removeClass(_options.activeClass);
							});
						}
					} else {
						var _levelItems = _holder.siblings('.'+_options.activeClass);
						_holder.addClass(_options.activeClass);
						_slider.slideDown(_options.slideSpeed);

						// collapse others
						_levelItems.find(_options.slider).slideUp(_options.slideSpeed, function(){
							_levelItems.removeClass(_options.activeClass);
						})
					}
				}
				return false;
			});
			if(_holder.hasClass(_options.activeClass)) _slider.show(); else _slider.hide();
		});
	});
}