// Hook setup
 
if(!window.onloadSubpagesFuncts) {
    var onloadSubpagesFuncts = [];
}
 
function addOnloadSubpagesHook(hookFunct) {
    onloadSubpagesFuncts[onloadSubpagesFuncts.length] = hookFunct;
}
 
function runOnloadSubpagesHook(el) {
    if(!(document.getElementById && document.getElementsByTagName)) {
        return;
    }
    for(var i=0; i<onloadSubpagesFuncts.length; i++) {
        onloadSubpagesFuncts[i](el);
    }
}
 
 
// Navigation bar
 
function NavContentCreate(el) {
 
    if(!el) el=document;
 
    // Hide all parts
    $("div.NavContentFrame div.NavContentPart",el).hide();
 
    // Hide the header inside each part
    $("div.NavContentFrame div.NavContentPart div.NavContentHeader",el).hide();
 
    // Add some space and a vertical bar between the bar links
    $("div.NavContentFrame div.NavContentBar",el)
        .each(function(){
                $("a.NavContentBarLink",this).not(":last").after("&nbsp;| ");
            })
        .show();
 
    // Add navigation links to each progress bar
    $("div.NavContentFrame div.NavContentPart div.NavContentProgressBar",el)
        .each(function(){
                $("span",this)
                    .each(function(){
                            $(this).after("<a></a>");
                        });
            });
 
    $("div.NavContentFrame div.NavContentPart div.NavContentProgressBar a",el)
        .each(function(){
                $(this)
                    .addClass($(this).prev("span").attr("class"))
                    .css({cursor: "pointer"})
                    .text($(this).prev("span").text());
            })
 
    // Hide all non-clickable links
    $("div.NavContentFrame div.NavContentPart div.NavContentProgressBar span",el)
        .hide();
 
    // Add some space and a vertical bar between the progress bar links
    $("div.NavContentFrame div.NavContentPart div.NavContentProgressBar",el)
        .each(function(){
                $("a",this).not(":last").after("&nbsp;| ");
            });
 
    // Replace link with message on load-on-demand div's
    $("div.NavContentFrame div.NavContentPart div.NavContentContent.load-on-demand",el)
        .find("div.NavContentContentPart a:not(.new)")
        .hide()
        .siblings().show();
 
    // Add actions to each link in bar
    $("div.NavContentFrame div.NavContentBar",el)
        .each(function(i){
                $("a.NavContentBarLink",this)
                    .each(function(j){
                            $(this).click(
                                function(){
                                    // Make all other links normal face
                                    $(this).parent()
                                        .find("a.NavContentBarLink")
                                        .not(":eq(" + j + ")")
                                        .css("fontWeight","normal");
                                    // Toggle this link (normal/bold)
                                    if($(this).css("fontWeight")=="bold")
                                        $(this).css("fontWeight","normal");
                                    else
                                        $(this).css("fontWeight","bold");
                                    // Make all other parts hidden
                                    $(this).parents("div.NavContentFrame")
                                        .find("div.NavContentPart")
                                        .not(":eq(" + j + ")")
                                        .hide();
                                    // Load contents if needed
                                    var contents = $(this).parents("div.NavContentFrame")
                                        .find("div.NavContentPart").eq(j)
                                        .find("div.NavContentContent");
                                    if (contents.hasClass("load-on-demand")) {
                                        if(!contents.find("a").hasClass("new")) {
                                            addr = $("a",contents).attr("href");
                                            host = addr.split(/\/index.php/g)[0];
                                            addr = addr.split(/\/index.php/g)[1];
                                            if (/[\?\&]title\=/.test(addr)) {
                                                addr = addr.match(/[\?\&]title\=[^\?\&]+/);
                                                addr = addr[0].match(/([\?\&]title\=)([^\?\&]+)/);
                                                addr = addr[2];
                                            }
                                            else {
                                                addr = addr.slice(1);
                                            }
                                            $(contents).load(host + "/index.php?action=ajax&rs=wfAjaxLoadContent&rsargs="
                                                    + addr,
                                                {},
                                                function(){
                                                    runOnloadSubpagesHook(this);
                                                    $(this).removeClass("load-on-demand");
                                                    $("div.NavContentContentPart:first",this).slideDown("normal");
                                                    $("div.NavContentContentPart:gt(0)",this).hide();
                                                    if($("div.NavContentContentPart",this).size()>1)
                                                        $(this).parent().find("div.NavContentProgressBar").show();
                                                });
                                        }
                                    }
                                    // Toggle the visibility of this part
                                    if($(this).css("fontWeight")=="bold")
                                        $(this).parents("div.NavContentFrame")
                                            .find("div.NavContentPart").eq(j)
                                            .slideDown("normal");
                                    else
                                        $(this).parents("div.NavContentFrame")
                                            .find("div.NavContentPart").eq(j)
                                            .slideUp("normal");
                                });
                        });
            });
 
    // Hide all but the first content in each part
    $("div.NavContentFrame div.NavContentPart div.NavContentContent",el)
        .each(function(){
                $("div.NavContentContentPart:first",this).show();
            });
    $("div.NavContentFrame div.NavContentPart div.NavContentContent",el)
        .each(function(){
                $("div.NavContentContentPart:gt(0)",this).hide();
            });
 
    // If there is zero or one content in a part then the progress bar is hidden
    $("div.NavContentFrame div.NavContentPart",el)
        .each(function(){
                if($("div.NavContentContentPart",this).size()<2) {
                    $("div.NavContentProgressBar",this).hide();
                }
                else {
                    $("div.NavContentProgressBar",this).show();
                }
            });
 
    // Actions to perform when a progress bar link is clicked
    $("div.NavContentFrame",el)
        .each(function(i){
                $("div.NavContentPart div.NavContentProgressBar",this)
                    .each(function(j){
                            $("a.NavContentShowLess",this).click(
                                function(){
                                    // Make this link invisible if needed
                                    if($(this).parents("div.NavContentPart")
                                          .find("div.NavContentContentPart:visible")
                                          .size() < 2) {
                                        $(this).hide()
                                            .parent()
                                            .find("span.NavContentShowLess")
                                            .show()
                                            .end()
                                            .find("a.NavContentShowNone")
                                            .hide()
                                            .end()
                                            .find("span.NavContentShowNone")
                                            .show();
                                    }
                                    // Hide the last visible content
                                    $(this).parents("div.NavContentPart")
                                        .find("div.NavContentContentPart:visible:last")
                                        .slideUp("normal");
                                    // Make other links visible
                                    $(this).parent()
                                        .find("span.NavContentShowMore").hide()
                                        .end()
                                        .find("a.NavContentShowMore").show()
                                        .end()
                                        .find("span.NavContentShowAll").hide()
                                        .end()
                                        .find("a.NavContentShowAll").show();
                                });
                            $("a.NavContentShowMore",this).click(
                                function(){
                                    // Make other links invisible if needed
                                    if($(this).parents("div.NavContentPart")
                                          .find("div.NavContentContentPart:hidden")
                                          .size() < 2) {
                                        $(this).hide()
                                            .parent()
                                            .find("span.NavContentShowMore").show()
                                            .end()
                                            .find("a.NavContentShowAll").hide()
                                            .end()
                                            .find("span.NavContentShowAll").show();
                                    }
                                    // Show the first invisible content
                                    $(this).parents("div.NavContentPart")
                                        .find("div.NavContentContent").show()
                                        .end()
                                        .find("div.NavContentContentPart:hidden:first").slideDown("normal");
                                    // Make less/none links visible
                                    $(this).parent()
                                        .find("span.NavContentShowLess").hide()
                                        .end()
                                        .find("a.NavContentShowLess").show()
                                        .end()
                                        .find("span.NavContentShowNone").hide()
                                        .end()
                                        .find("a.NavContentShowNone").show();
                                });
                            $("a.NavContentShowAll",this).click(
                                function(){
                                    // Show all invisible content
                                    $(this).parents("div.NavContentPart")
                                        .find("div.NavContentContent").show()
                                        .find("div.NavContentContentPart:hidden:first")
                                        .slideDown("normal", function(){
                                                $(this).parents("div.NavContentContent")
                                                    .find("div.NavContentContentPart:hidden")
                                                    .show();
                                            });
                                    // Make less/none links visible
                                    $(this).parent()
                                        .find("span.NavContentShowLess").hide()
                                        .end()
                                        .find("a.NavContentShowLess").show()
                                        .end()
                                        .find("span.NavContentShowNone").hide()
                                        .end()
                                        .find("a.NavContentShowNone").show();
                                    // Make more/all links invisible
                                    $(this).hide().parent()
                                        .find("span.NavContentShowAll").show()
                                        .end()
                                        .find("a.NavContentShowMore").hide()
                                        .end()
                                        .find("span.NavContentShowMore").show();
                                });
                            $("a.NavContentShowNone",this).click(
                                function(){
                                    // Hide all visible content
                                    $(this).parents("div.NavContentPart")
                                        .find("div.NavContentContent").show()
                                        .find("div.NavContentContentPart:visible:last")
                                        .slideUp("normal", function(){
                                                $(this).parents("div.NavContentContent")
                                                    .find("div.NavContentContentPart:visible")
                                                    .hide();
                                            });                                  
                                    // Make more/all links visible
                                    $(this).parent()
                                        .find("span.NavContentShowMore").hide()
                                        .end()
                                        .find("a.NavContentShowMore").show()
                                        .end()
                                        .find("span.NavContentShowAll").hide()
                                        .end()
                                        .find("a.NavContentShowAll").show();
                                    // Make less/none links invisible
                                    $(this).hide().parent()
                                        .find("span.NavContentShowNone").show()
                                        .end()
                                        .find("a.NavContentShowLess").hide()
                                        .end()
                                        .find("span.NavContentShowLess").show();
                                });
                        });
            });
}
 
 
function NavContentLoadContent(el) {
 
    if(!el) el=document;
 
    // Replace link with message on load-on-demand div's
    $("div.NavContentFrame div.NavContentPart div.NavContentContent.load-on-demand",el)
        .find("div.NavContentContentPart a:not(.new)")
        .hide()
        .siblings().show();
 
    // Load content
    $("div.load-on-demand",el).each(function(){
            if(!$("a",this).hasClass("new")) {
                addr = $("a",contents).attr("href");
                host = addr.split(/\/index.php/g)[0];
                addr = addr.split(/\/index.php/g)[1];
                if (/[\?\&]title\=/.test(addr)) {
                    addr = addr.match(/[\?\&]title\=[^\?\&]+/);
                    addr = addr[0].match(/([\?\&]title\=)([^\?\&]+)/);
                    addr = addr[2];
                }
                else {
                    addr = addr.slice(1);
                }
                $(this).load(host + "/index.php?action=ajax&rs=wfAjaxLoadContent&rsargs="
                                 + addr,
                    {},
                    function(){
                        runOnloadSubpagesHook(this);
                        $(this).removeClass("load-on-demand");
                    });
            }
    });
}