ErlDocs = function() {

    var search       = $("#search");
    var results      = $("#results");
    var selected     = null;
    var resultsCount = 0;

    var footerPos = -94;

    search.focus( function() {
        if(search.val() == "Loading...") {
            search.val("");
        }
    });

    search.keydown( function(e) {
        setTimeout( function() {
            keypress(e);
        },0);
    });

    var getDetails = function(position) { 
        return position 
            ? {"text":"Hide Functions", "position":0}
            : {"text":"View Functions", "position":footerPos};
    }
    
    var setDetails = function(details, fun) { 
        $("#viewfuns").text(details.text);
        $("#funwrapper").animate({"bottom":details.position}, "normal", fun);
    }

    var details = getDetails(
        (!!window.localStorage && window.localStorage.footer) != footerPos);

    setDetails(details, function() {
        $("#funwrapper").css({"display":"block"});    
    });    
    
    $("#viewfuns").bind("mousedown", function(e) {
        
        var details = getDetails(
            parseInt($("#funwrapper").css("bottom"), 10) == footerPos);
        
        setDetails(details, null);
        
        if( !!window.localStorage ) {
            window.localStorage.footer = details.position;
        }
    });

    $(window).bind('resize', function(e) {
        window_resize();
    });
    window_resize();

    var qs = ErlDocs.parse_query(document.location.href);

    if( qs && qs.search ) {
        var search_val = decodeURIComponent(qs.search.replace(/\+/g,  " "));
        search.val(search_val);
        filter(search_val);
    } else {
        showModules();
    }
    
    if( qs && qs.i ) {
        setSelected(parseInt(qs.i, 10));
    } else {
        setSelected(0);
    }

    search.focus();
    
    function setSelected(x, down) {

        down = (typeof down == "undefined") ? false : down;
        
        if( x >= 0 && x < resultsCount ) {
	        if( selected != null ) {
	            results.children("li").eq(selected).removeClass("selected");
	        }
	        selected = x;
	        var selection = results.children("li").eq(x).addClass("selected");
	        selection[0].scrollIntoView(down);
        }
    };
    
    function keypress(e) {
        
        var blockedKeys = [17, 18, 91, 192];
        
	    if( !($.inArray(e.keyCode, blockedKeys) == -1) ) {
            return;
	    }

        if( e.keyCode == 40 ) {        //DOWN
	        setSelected(selected + 1, false);
        } else if( e.keyCode == 38 ) {    //UP
	        setSelected(selected - 1, false);
        } else if ( e.keyCode == 13 ) { //ENTER
            var tmp = results.children(".selected");
            if( tmp.length > 0 ) {
                document.location.href = tmp.find("a").attr("href");
            }
        } else {
	        filter(search.val());
        }
    };

    function window_resize() {
        results.height($(window).height() - 26);
    };

    function showModules() {
        var html = "";
        var preurl = !ErlDocs.is_home() ? "../" : "";
        
        for( var i=0, count=0; i < ErlDocs.index.length; i++ ) {
            var item = ErlDocs.index[i];
            if ( item[0] == "mod" ) {
                var url = preurl+item[1]+"/"+item[2].split(":")[0]+".html?i="+i;
                html += '<li class="'+item[0]+'"><a href="'+url+'">'
                    +'<span class="name">'+item[2]+"</span>"
                    +'<br /><span class="sub">'+item[3]+'</span>'
                    +'</a></li>';
                count++;
            }
        }
        results[0].innerHTML = html;
        resultsCount = count;
        setSelected(0);
    };

    function searchApps(str) {

        var html = "";
        var preurl = !ErlDocs.is_home() ? "../" : "";
        var terms = str.split(" ");
        
        for( var i=0, count=0; i < ErlDocs.index.length; i++ ) {
            var item = ErlDocs.index[i];
            if ( ErlDocs.match(item[2], terms) ) {
                
	            var hash = (item[0] == "fun") ? "#"+item[2].split(":")[1] : "";
                
	            var url = preurl+item[1]+"/"+item[2].split(":")[0]
                    +".html?search="+str+"&i="+count + hash;
	            html += '<li class="'+item[0]+'"><a href="'+url+'">'
	                +'<span class="name">'+item[2]+"</span>"
	                +'<br /><span class="sub">'+item[3]+'</span>'
	                +'</a></li>';

                if( count++ > 100 ) {
                    break;
                }
            }
        }
        resultsCount = count;
        return html;
    };
    
    function filter(str) {
        if( str != "" ) {
            results[0].innerHTML = searchApps(str);
            setSelected(0);
        } else {
            showModules();
        }
    };    
};

ErlDocs.match = function(str, terms)
{
    for( var i = 0; i < terms.length; i++ ) {
	    if( str.match(new RegExp(terms[i], "i")) == null ) {
	        return false;
	    }
    }
        return true;
};

// This is a nasty check
ErlDocs.is_home = function()
{
    return document.title.match("Module Index") !== null;
};

ErlDocs.parse_query = function(url)
{
    var qs = url.split("?")[1];
    if( typeof qs !== "undefined" ) {
	var arr = qs.split("&"), query = {};
	for( var i = 0; i < arr.length; i++ ) {
	    var tmp = arr[i].split("=");
	    query[tmp[0]] = tmp[1];
	}
	return query;
    }
    return false;
};

ErlDocs.index = index;

var docs = new ErlDocs();

/* Copyright (C) 2007, 2008 gnombat@users.sourceforge.net */
/* License: http://shjs.sourceforge.net/doc/gplv3.html */

if(!this.sh_languages){this.sh_languages={}}var sh_requests={};function sh_isEmailAddress(a){if(/^mailto:/.test(a)){return false}return a.indexOf("@")!==-1}function sh_setHref(b,c,d){var a=d.substring(b[c-2].pos,b[c-1].pos);if(a.length>=2&&a.charAt(0)==="<"&&a.charAt(a.length-1)===">"){a=a.substr(1,a.length-2)}if(sh_isEmailAddress(a)){a="mailto:"+a}b[c-2].node.href=a}function sh_konquerorExec(b){var a=[""];a.index=b.length;a.input=b;return a}function sh_highlightString(B,o){if(/Konqueror/.test(navigator.userAgent)){if(!o.konquered){for(var F=0;F<o.length;F++){for(var H=0;H<o[F].length;H++){var G=o[F][H][0];if(G.source==="$"){G.exec=sh_konquerorExec}}}o.konquered=true}}var N=document.createElement("a");var q=document.createElement("span");var A=[];var j=0;var n=[];var C=0;var k=null;var x=function(i,a){var p=i.length;if(p===0){return}if(!a){var Q=n.length;if(Q!==0){var r=n[Q-1];if(!r[3]){a=r[1]}}}if(k!==a){if(k){A[j++]={pos:C};if(k==="sh_url"){sh_setHref(A,j,B)}}if(a){var P;if(a==="sh_url"){P=N.cloneNode(false)}else{P=q.cloneNode(false)}P.className=a;A[j++]={node:P,pos:C}}}C+=p;k=a};var t=/\r\n|\r|\n/g;t.lastIndex=0;var d=B.length;while(C<d){var v=C;var l;var w;var h=t.exec(B);if(h===null){l=d;w=d}else{l=h.index;w=t.lastIndex}var g=B.substring(v,l);var M=[];for(;;){var I=C-v;var D;var y=n.length;if(y===0){D=0}else{D=n[y-1][2]}var O=o[D];var z=O.length;var m=M[D];if(!m){m=M[D]=[]}var E=null;var u=-1;for(var K=0;K<z;K++){var f;if(K<m.length&&(m[K]===null||I<=m[K].index)){f=m[K]}else{var c=O[K][0];c.lastIndex=I;f=c.exec(g);m[K]=f}if(f!==null&&(E===null||f.index<E.index)){E=f;u=K;if(f.index===I){break}}}if(E===null){x(g.substring(I),null);break}else{if(E.index>I){x(g.substring(I,E.index),null)}var e=O[u];var J=e[1];var b;if(J instanceof Array){for(var L=0;L<J.length;L++){b=E[L+1];x(b,J[L])}}else{b=E[0];x(b,J)}switch(e[2]){case -1:break;case -2:n.pop();break;case -3:n.length=0;break;default:n.push(e);break}}}if(k){A[j++]={pos:C};if(k==="sh_url"){sh_setHref(A,j,B)}k=null}C=w}return A}function sh_getClasses(d){var a=[];var b=d.className;if(b&&b.length>0){var e=b.split(" ");for(var c=0;c<e.length;c++){if(e[c].length>0){a.push(e[c])}}}return a}function sh_addClass(c,a){var d=sh_getClasses(c);for(var b=0;b<d.length;b++){if(a.toLowerCase()===d[b].toLowerCase()){return}}d.push(a);c.className=d.join(" ")}function sh_extractTagsFromNodeList(c,a){var f=c.length;for(var d=0;d<f;d++){var e=c.item(d);switch(e.nodeType){case 1:if(e.nodeName.toLowerCase()==="br"){var b;if(/MSIE/.test(navigator.userAgent)){b="\r"}else{b="\n"}a.text.push(b);a.pos++}else{a.tags.push({node:e.cloneNode(false),pos:a.pos});sh_extractTagsFromNodeList(e.childNodes,a);a.tags.push({pos:a.pos})}break;case 3:case 4:a.text.push(e.data);a.pos+=e.length;break}}}function sh_extractTags(c,b){var a={};a.text=[];a.tags=b;a.pos=0;sh_extractTagsFromNodeList(c.childNodes,a);return a.text.join("")}function sh_mergeTags(d,f){var a=d.length;if(a===0){return f}var c=f.length;if(c===0){return d}var i=[];var e=0;var b=0;while(e<a&&b<c){var h=d[e];var g=f[b];if(h.pos<=g.pos){i.push(h);e++}else{i.push(g);if(f[b+1].pos<=h.pos){b++;i.push(f[b]);b++}else{i.push({pos:h.pos});f[b]={node:g.node.cloneNode(false),pos:h.pos}}}}while(e<a){i.push(d[e]);e++}while(b<c){i.push(f[b]);b++}return i}function sh_insertTags(k,h){var g=document;var l=document.createDocumentFragment();var e=0;var d=k.length;var b=0;var j=h.length;var c=l;while(b<j||e<d){var i;var a;if(e<d){i=k[e];a=i.pos}else{a=j}if(a<=b){if(i.node){var f=i.node;c.appendChild(f);c=f}else{c=c.parentNode}e++}else{c.appendChild(g.createTextNode(h.substring(b,a)));b=a}}return l}function sh_highlightElement(d,g){sh_addClass(d,"sh_sourceCode");var c=[];var e=sh_extractTags(d,c);var f=sh_highlightString(e,g);var b=sh_mergeTags(c,f);var a=sh_insertTags(b,e);while(d.hasChildNodes()){d.removeChild(d.firstChild)}d.appendChild(a)}function sh_getXMLHttpRequest(){if(window.ActiveXObject){return new ActiveXObject("Msxml2.XMLHTTP")}else{if(window.XMLHttpRequest){return new XMLHttpRequest()}}throw"No XMLHttpRequest implementation available"}function sh_load(language,element,prefix,suffix){if(language in sh_requests){sh_requests[language].push(element);return}sh_requests[language]=[element];var request=sh_getXMLHttpRequest();var url=prefix+"sh_"+language+suffix;request.open("GET",url,true);request.onreadystatechange=function(){if(request.readyState===4){try{if(!request.status||request.status===200){eval(request.responseText);var elements=sh_requests[language];for(var i=0;i<elements.length;i++){sh_highlightElement(elements[i],sh_languages[language])}}else{throw"HTTP error: status "+request.status}}finally{request=null}}};request.send(null)}function sh_highlightDocument(g,k){var b=document.getElementsByTagName("pre");for(var e=0;e<b.length;e++){var f=b.item(e);var a=sh_getClasses(f);for(var c=0;c<a.length;c++){var h=a[c].toLowerCase();if(h==="sh_sourcecode"){continue}if(h.substr(0,3)==="sh_"){var d=h.substring(3);if(d in sh_languages){sh_highlightElement(f,sh_languages[d])}else{if(typeof(g)==="string"&&typeof(k)==="string"){sh_load(d,f,g,k)}else{throw'Found <pre> element with class="'+h+'", but no such language exists'}}break}}}};

sh_languages['erlang'] = [
  [
    [
      /\b(?:div|default|rem|or|xor|bor|bxor|bsl|bsr|and|band|not|bnot|abs|alive|apply|atom_to_list|binary_to_list|binary_to_term|concat_binary|date|disconnect_node|element|erase|exit|float|float_to_list|get|get_keys|group_leader|halt|hd|integer_to_list|is_alive|length|link|list_to_atom|list_to_binary|list_to_float|list_to_integer|list_to_pid|list_to_tuple|load_module|make_ref|monitor_node|node|nodes|now|open_port|pid_to_list|process_flag|process_info|process|put|register|registered|round|self|setelement|size|spawn|spawn_link|split_binary|statistics|term_to_binary|throw|time|tl|trunc|tuple_to_list|unlink|unregister|whereis|atom|binary|constant|function|integer|list|number|pid|ports|port_close|port_info|reference|record|check_process_code|delete_module|get_cookie|hash|math|module_loaded|preloaded|processes|purge_module|set_cookie|set_node|acos|asin|atan|atan2|cos|cosh|exp|log|log10|pi|pow|power|sin|sinh|sqrt|tan|tanh|call|module_info|parse_transform|undefined_function|error_handler|after|begin|case|catch|cond|end|fun|if|let|of|query|receive|when|creation|current_function|dictionary|group_leader|heap_size|high|initial_call|linked|low|memory_in_use|message_queue|net_kernel|node|normal|priority|reductions|registered_name|runnable|running|stack_trace|status|timer|trap_exit|waiting|command|count_in|count_out|creation|in|in_format|linked|node|out|owner|packeting|atom_tables|communicating|creation|current_gc|current_reductions|current_runtime|current_wall_clock|distribution_port|entry_points|error_handler|friends|garbage_collection|magic_cookie|magic_cookies|module_table|monitored_nodes|name|next_ref|ports|preloaded|processes|reductions|ref_state|registry|runtime|wall_clock|apply_lambda|module_info|module_lambdas|record|record_index|record_info|badarg|nocookie|false|fun|true|badsig|kill|killed|exit|normal)\b/g,
      'sh_keyword',
      -1
    ],
    [
      /%/g,
      'sh_comment',
      1
    ],
    [
      /\(|\)|\{|\}|\[|\]|\||;|,|\?|#/g,
      'sh_normal',
      -1
    ],
    [
      /\b[+-]?(?:(?:0x[A-Fa-f0-9]+)|(?:(?:[\d]*\.)?[\d]+(?:[eE][+-]?[\d]+)?))u?(?:(?:int(?:8|16|32|64))|L)?\b|\$\x+/g,
      'sh_number',
      -1
    ],
    [
      /"/g,
      'sh_string',
      2
    ],
    [
      /\'/g,
      'sh_string',
      3
    ],
    [
      /\w+(?:\s+)?[:@](?:\s+)?\w+/g,
      'sh_function',
      -1
    ],
    [
      /-compile|-define|-else|-endif|-export|-file|-ifdef|-ifndef|-import|-include|-include_lib|-module|-record|-undef|-author|-copyright|-doc/g,
      'sh_preproc',
      -1
    ],
    [
      /\+|-|\*|\/|==|=|=:=|=\/=|<|=<|>|>=|\+\+|--|=|!|<-|->|:|_|@|\\|\"|\./g,
      'sh_symbol',
      -1
    ]
  ],
  [
    [
      /$/g,
      null,
      -2
    ]
  ],
  [
    [
      /\\(?:\\|")/g,
      null,
      -1
    ],
    [
      /"/g,
      'sh_string',
      -2
    ]
  ],
  [
    [
      /\\(?:\\|\')/g,
      null,
      -1
    ],
    [
      /\'/g,
      'sh_string',
      -2
    ]
  ]
];
sh_highlightDocument();