var currentpage = 1;
var maxpages;
$(document).ready(function() {
  if($.cookie('n2_selected_portfoliopage')){
	    currentpage = parseInt($.cookie('n2_selected_portfoliopage'));
	};
  maxpages =  $(".portfolio_list ul").length;
  if (currentpage > maxpages){
    currentpage = maxpages
  };
	$("#list").after("<div id='paging' class='clear'><a href='#' id='prev'>Previous</a><a href='#' id='next'>Next</a></div>");
	setLinks();
	
  $("a#next").click(function() {
    if (! $("a#next").hasClass("inactive")){
    currentpage = currentpage + 1;
    setLinks();
    };
    return false;
  });
  
   $("a#prev").click(function() {
    if (! $("a#prev").hasClass("inactive")){
      currentpage = currentpage - 1;
      setLinks();
    };
    return false;
  });
  
 });
 
 function setLinks()
 {
    if (currentpage == 1){
        $("a#prev").addClass("inactive");
    }else{
        $("a#prev").removeClass("inactive");
    };
    
    if (currentpage == maxpages){
      $("a#next").addClass("inactive");
    }else{
      $("a#next").removeClass("inactive");
    };
    
    $.cookie('n2_selected_portfoliopage', currentpage);
    
    $(".portfolio_list div ul").hide();
    $(".portfolio_list div ul.page_" + currentpage).show();
 }