$(document).ready(function(){
	$(".menu-hh").click( function(){
		setCookie('current_page',null, -1)
		//var url = setCookie('current_page',null, -1)
		//alert(url);
	});
});



function setCookie(cookie_name, cookie_value, expire_in_days){
	var cookie_expire = "";

	if (expire_in_days != null){
		var expire = new Date();
		expire.setTime(expire.getTime() + 1000*60*60*24*parseInt(expire_in_days));
		cookie_expire = "; expires=" + expire.toGMTString();
	}
	document.cookie = escape(cookie_name) + "=" + escape(cookie_value) + cookie_expire;
}

function getCookie(cookie_name){
	if (!document.cookie.match(eval("/" + escape(cookie_name) + "=/"))){
		return false;
	}
	return unescape(document.cookie.replace(eval("/^.*?" + escape(cookie_name) + "=([^\\s;]*).*$/"), "$1"));
}


// Acessando
function LeCookie(nome){
	 cookie = getCookie(nome);
	 if (!cookie)
		 return 0;
	 else
		 return cookie;
}


/**
 * This jQuery plugin displays pagination links inside the selected elements.
 *
 * @author Gabriel Birke (birke *at* d-scribe *dot* de)
 * @version 1.2
 * @param {int} maxentries Number of entries to paginate
 * @param {Object} opts Several options (see README for documentation)
 * @return {Object} jQuery Object
 */
jQuery.fn.pagination = function(maxentries, opts){
	opts = jQuery.extend({
		items_per_page:10,
		num_display_entries:10,
		current_page:LeCookie("current_page"),
		num_edge_entries:0,
		//link_to:"#bg", // eu alterei isso
		link_to:"entrevistas.html",
		prev_text:"Prev",
		next_text:"Next",
		ellipse_text:"...",
		prev_show_always:true,
		next_show_always:true,
		callback:function(){return false;}
	},opts||{});
	
	return this.each(function() {
		/**
		 * Calculate the maximum number of pages
		 */
		function numPages() {
			return Math.ceil(maxentries/opts.items_per_page);
		}
		
		/**
		 * Calculate start and end point of pagination links depending on 
		 * current_page and num_display_entries.
		 * @return {Array}
		 */
		function getInterval()  {
			var ne_half = Math.ceil(opts.num_display_entries/2);
			var np = numPages();
			var upper_limit = np-opts.num_display_entries;
			var start = current_page>ne_half?Math.max(Math.min(current_page-ne_half, upper_limit), 0):0;
			var end = current_page>ne_half?Math.min(current_page+ne_half, np):Math.min(opts.num_display_entries, np);
			return [start,end];
		}
		
		/**
		 * This is the event handling function for the pagination links. 
		 * @param {int} page_id The new page number
		 */
		function pageSelected(page_id, evt){
			current_page = page_id;
			drawLinks();
			var continuePropagation = opts.callback(page_id, panel);
			if (!continuePropagation) {
				if (evt.stopPropagation) {
					evt.stopPropagation();
				}
				else {
					evt.cancelBubble = true;
				}
			}
			return continuePropagation;
		}
		
		/**
		 * This function inserts the pagination links into the container element
		 */
		function drawLinks() {
			panel.empty();
			var interval = getInterval();
			var np = numPages();
			// This helper function returns a handler function that calls pageSelected with the right page_id
			var getClickHandler = function(page_id) {
				return function(evt){ 
					window.scrollTo(0,0)
					return pageSelected(page_id,evt); }
			}
			// Helper function for generating a single link (or a span tag if it's the current page)
			var appendItem = function(page_id, appendopts){
				page_id = page_id<0?0:(page_id<np?page_id:np-1); // Normalize page id to sane value
				appendopts = jQuery.extend({text:page_id+1, classes:""}, appendopts||{});
				
				
				if(page_id == current_page){
					var lnk = jQuery("<span class='current'>"+(appendopts.text)+"</span>");
					
					//alert(current_page); // mostra numero da pagina atual
					
					setCookie('current_page', current_page, 1)
	
				}
				else
				{
					 // aqui ele escrve a paginacao comecando do 1 indo ate 3
					var lnk = jQuery("<a>"+(appendopts.text)+"</a>")
						.bind("click", getClickHandler(page_id))
						.attr('href', opts.link_to.replace(/__id__/,page_id));
					
						//alert(opts.link_to.replace(+'/__id__/'+page_id));
					
				}
				if(appendopts.classes){lnk.addClass(appendopts.classes);}
				panel.append(lnk);
				
				//alert(page_id);
			}
			// Generate "Previous"-Link
			
			if(opts.prev_text && (current_page > 0 || opts.prev_show_always)){
				appendItem(current_page-1,{text:opts.prev_text, classes:"prev"}); // aqui escreve css do anterior
			}
			
			// Generate starting points
			if (interval[0] > 0 && opts.num_edge_entries > 0)
			{
				var end = Math.min(opts.num_edge_entries, interval[0]);
				for(var i=0; i<end; i++) {
					appendItem(i);
				}
				if(opts.num_edge_entries < interval[0] && opts.ellipse_text)
				{
					jQuery("<span>"+opts.ellipse_text+"</span>").appendTo(panel);
				}
			}
			// Generate interval links
			for(var i=interval[0]; i<interval[1]; i++) {
				appendItem(i);
			}
			// Generate ending points
			if (interval[1] < np && opts.num_edge_entries > 0)
			{
				if(np-opts.num_edge_entries > interval[1]&& opts.ellipse_text)
				{
					jQuery("<span>"+opts.ellipse_text+"</span>").appendTo(panel);
				}
				var begin = Math.max(np-opts.num_edge_entries, interval[1]);
				for(var i=begin; i<np; i++) {
					appendItem(i);
				}
				
			}
			// Generate "Next"-Link
			if(opts.next_text && (current_page < np-1 || opts.next_show_always)){
				appendItem(current_page+1,{text:opts.next_text, classes:"next"}); // aqui escreve css do proximo
			}
			
			
		}
		
		// Extract current_page from options
		var current_page = opts.current_page;
		// Create a sane value for maxentries and items_per_page
		maxentries = (!maxentries || maxentries < 0)?1:maxentries;
		opts.items_per_page = (!opts.items_per_page || opts.items_per_page < 0)?1:opts.items_per_page;
		// Store DOM element for easy access from all inner functions
		var panel = jQuery(this);
		// Attach control functions to the DOM element 
		this.selectPage = function(page_id){ pageSelected(page_id);}
		this.prevPage = function(){ 
			if (current_page > 0) {
				//pageSelected(current_page - 1);
				pageSelected(current_page - 1);
				return true;
			}
			else {
				return false;
			}
		}
		this.nextPage = function(){ 
			if(current_page < numPages()-1) {
				pageSelected(current_page+1);
				return true;
			}
			else {
				return false;
			}
		}
		// When all initialisation is done, draw the links
		drawLinks();
        // call callback function
        opts.callback(current_page, this);
	});
}