function toggle_block(block, icon)
{
        if (document.getElementById)
        {
                if (document.getElementById(block).style.display == 'block')
                {
                        document.getElementById(block).style.display = 'none';
                        icon.src = 'images/plus.gif';
                        save_collapsed(block, true);
                }
                else
                {
                        document.getElementById(block).style.display = 'block';
                        icon.src = 'images/minus.gif';
                        save_collapsed(block, false);
                }
        }
        else if (document.all)
        {
                if (document.all[block].style.display == 'block')
                {
                        document.all[block].style.display = 'none';
                        icon.src = 'images/plus.gif';
                        save_collapsed(block, true);
                }
                else
                {
                        document.all[block].style.display = 'block';
                        icon.src = 'images/minus.gif';
                        save_collapsed(block, false);
                }
        }
}

function save_collapsed(objid, addcollapsed)
{
        var collapsed = get_cookie("newbbplus_collapse");
        var tmp = "";

        if (collapsed != null)
        {
                collapsed = collapsed.split(",");

                for (i in collapsed)
                {
                        if (collapsed[i] != objid && collapsed[i] != "")
                        {
                                tmp = tmp + collapsed[i];
                                tmp = tmp + ",";
                        }
                }
        }

        if (addcollapsed)
        {
                tmp = tmp + objid;
        }

        expires = new Date();
        expires.setTime(expires.getTime() + (1000 * 86400 * 365));
        set_cookie("newbbplus_collapse", tmp, expires);
}

function set_cookie(name, value, expires)
{
        if (!expires)
        {
                expires = new Date();
        }
        document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString() +  "; path=/";
}

function get_cookie(name)
{
        cookie_name = name + "=";
        cookie_length = document.cookie.length;
        cookie_begin = 0;
        while (cookie_begin < cookie_length)
        {
                value_begin = cookie_begin + cookie_name.length;
                if (document.cookie.substring(cookie_begin, value_begin) == cookie_name)
                {
                        var value_end = document.cookie.indexOf (";", value_begin);
                        if (value_end == -1)
                        {
                                value_end = cookie_length;
                        }
                        return unescape(document.cookie.substring(value_begin, value_end));
                }
                cookie_begin = document.cookie.indexOf(" ", cookie_begin) + 1;
                if (cookie_begin == 0)
                {
                        break;
                }
        }
        return null;
}

function pm(name)
{
var txtarea = document.getElementById("message");
text = '[b]' + name + '[/b], ' + '\r\n';
if (txtarea.createTextRange && txtarea.caretPos)
{
var caretPos = txtarea.caretPos;
caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : caretPos.text + text;
txtarea.focus();
}
else
{
txtarea.value += text;
txtarea.focus();
}
return 0;
}


var copy_txt = '';
function copy() {
    if (document.getSelection) copy_txt = document.getSelection();
    else if (document.selection) copy_txt = document.selection.createRange().text;
    else return;
}
function ins_in (tex_to) {
    var txtarea = document.getElementById("message");
    if (txtarea.createTextRange && txtarea.caretPos) {
        var caretPos = txtarea.caretPos;
        caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? tex_to + ' ' : tex_to;
  } else txtarea.value += tex_to;
    copy_txt = '';
}
function ins_to(by_who) {
    pm(by_who);
    if (copy_txt) {
    ins_in ("[quote]" + copy_txt + " [/quote]");
    } else return;
}



// This function is used to define if the browser supports the needed
// features
function hasSupport() {

        if (typeof hasSupport.support != "undefined")
                return hasSupport.support;
        
        var ie55 = /msie 5\.[56789]/i.test( navigator.userAgent );
        
        hasSupport.support = ( typeof document.implementation != "undefined" &&
                        document.implementation.hasFeature( "html", "1.0" ) || ie55 )
                        
        // IE55 has a serious DOM1 bug... Patch it!
        if ( ie55 ) {
                document._getElementsByTagName = document.getElementsByTagName;
                document.getElementsByTagName = function ( sTagName ) {
                        if ( sTagName == "*" )
                                return document.all;
                        else
                                return document._getElementsByTagName( sTagName );
                };
        }

        return hasSupport.support;
}

///////////////////////////////////////////////////////////////////////////////////
// The constructor for tab panes
//
// el : HTMLElement             The html element used to represent the tab pane
// bUseCookie : Boolean Optional. Default is true. Used to determine whether to us
//                                              persistance using cookies or not
//
function WebFXTabPane( el, bUseCookie ) {
        if ( !hasSupport() || el == null ) return;
        
        this.element = el;
        this.element.tabPane = this;
        this.pages = [];
        this.selectedIndex = null;
        this.useCookie = bUseCookie != null ? bUseCookie : true;
        
        // add class name tag to class name
        this.element.className = this.classNameTag + " " + this.element.className;
        
        // add tab row
        this.tabRow = document.createElement( "div" );
        this.tabRow.className = "tab-row";
        el.insertBefore( this.tabRow, el.firstChild );
        
        var tabIndex = 0;
        if ( this.useCookie ) {
                tabIndex = Number( WebFXTabPane.getCookie( "webfxtab_" + this.element.id ) );
                if ( isNaN( tabIndex ) || tabIndex >= (el.childNodes.length-1))
                        tabIndex = 0;
        }
        this.selectedIndex = tabIndex;

        // loop through child nodes and add them
        var cs = el.childNodes;
        var n;
        for (var i = 0; i < cs.length; i++) {
                if (cs[i].nodeType == 1 && cs[i].className == "tab-page") {
                        this.addTabPage( cs[i] );
                }
        }


}

WebFXTabPane.prototype.classNameTag = "dynamic-tab-pane-control";

WebFXTabPane.prototype.setSelectedIndex = function ( n ) {
        if (this.selectedIndex != n) {
                if (this.selectedIndex != null && this.pages[ this.selectedIndex ] != null )
                        this.pages[ this.selectedIndex ].hide();
                this.selectedIndex = n;
                this.pages[ this.selectedIndex ].show();
                
                if ( this.useCookie )
                        WebFXTabPane.setCookie( "webfxtab_" + this.element.id, n );     // session cookie
        }
};
        
WebFXTabPane.prototype.getSelectedIndex = function () {
        return this.selectedIndex;
};
        
WebFXTabPane.prototype.addTabPage = function ( oElement ) {
        if ( !hasSupport() ) return;
        
        if ( oElement.tabPage == this ) // already added
                return oElement.tabPage;

        var n = this.pages.length;
        var tp = this.pages[n] = new WebFXTabPage( oElement, this, n );
        tp.tabPane = this;
        
        // move the tab out of the box
        this.tabRow.appendChild( tp.tab );
                        
        if ( n == this.selectedIndex )
                tp.show();
        else
                tp.hide();
                
        return tp;
};
        
WebFXTabPane.prototype.dispose = function () {
        this.element.tabPane = null;
        this.element = null;            
        this.tabRow = null;
        
        for (var i = 0; i < this.pages.length; i++) {
                this.pages[i].dispose();
                this.pages[i] = null;
        }
        this.pages = null;
};



// Cookie handling
WebFXTabPane.setCookie = function ( sName, sValue, nDays ) {
        var expires = "";
        if ( nDays ) {
                var d = new Date();
                d.setTime( d.getTime() + nDays * 24 * 60 * 60 * 1000 );
                expires = "; expires=" + d.toGMTString();
        }

        document.cookie = sName + "=" + sValue + expires + "; path=/";
};

WebFXTabPane.getCookie = function (sName) {
        var re = new RegExp( "(\;|^)[^;]*(" + sName + ")\=([^;]*)(;|$)" );
        var res = re.exec( document.cookie );
        return res != null ? res[3] : null;
};

WebFXTabPane.removeCookie = function ( name ) {
        setCookie( name, "", -1 );
};





///////////////////////////////////////////////////////////////////////////////////
// The constructor for tab pages. This one should not be used.
// Use WebFXTabPage.addTabPage instead
//
// el : HTMLElement                     The html element used to represent the tab pane
// tabPane : WebFXTabPane       The parent tab pane
// nindex :     Number                  The index of the page in the parent pane page array
//
function WebFXTabPage( el, tabPane, nIndex ) {
        if ( !hasSupport() || el == null ) return;
        
        this.element = el;
        this.element.tabPage = this;
        this.index = nIndex;
        
        var cs = el.childNodes;
        for (var i = 0; i < cs.length; i++) {
                if (cs[i].nodeType == 1 && cs[i].className == "tab") {
                        this.tab = cs[i];
                        break;
                }
        }
        
        // insert a tag around content to support keyboard navigation
        
        
        var a = document.createElement( "A" );
        this.aElement = a;
        a.href = "#";
        a.onclick = function () { return false; };
        while ( this.tab.hasChildNodes() )
                a.appendChild( this.tab.firstChild );
        this.tab.appendChild( a );

        
        // hook up events, using DOM0
        var oThis = this;
        this.tab.onclick = function () { oThis.select(); };
        this.tab.onmouseover = function () { WebFXTabPage.tabOver( oThis ); };
        this.tab.onmouseout = function () { WebFXTabPage.tabOut( oThis ); };
}

WebFXTabPage.prototype.show = function () {
        var el = this.tab;
        var s = el.className + " selected";
        s = s.replace(/ +/g, " ");
        el.className = s;
        
        this.element.style.display = "block";
};

WebFXTabPage.prototype.hide = function () {
        var el = this.tab;
        var s = el.className;
        s = s.replace(/ selected/g, "");
        el.className = s;

        this.element.style.display = "none";
};
        
WebFXTabPage.prototype.select = function () {
        this.tabPane.setSelectedIndex( this.index );
};
        
WebFXTabPage.prototype.dispose = function () {
        this.aElement.onclick = null;
        this.aElement = null;
        this.element.tabPage = null;
        this.tab.onclick = null;
        this.tab.onmouseover = null;
        this.tab.onmouseout = null;
        this.tab = null;
        this.tabPane = null;
        this.element = null;
};

WebFXTabPage.tabOver = function ( tabpage ) {
        var el = tabpage.tab;
        var s = el.className + " hover";
        s = s.replace(/ +/g, " ");
        el.className = s;
};

WebFXTabPage.tabOut = function ( tabpage ) {
        var el = tabpage.tab;
        var s = el.className;
        s = s.replace(/ hover/g, "");
        el.className = s;
};


// This function initializes all uninitialized tab panes and tab pages
function setupAllTabs() {
        if ( !hasSupport() ) return;

        var all = document.getElementsByTagName( "*" );
        var l = all.length;
        var tabPaneRe = /tab\-pane/;
        var tabPageRe = /tab\-page/;
        var cn, el;
        var parentTabPane;
        
        for ( var i = 0; i < l; i++ ) {
                el = all[i]
                cn = el.className;

                // no className
                if ( cn == "" ) continue;
                
                // uninitiated tab pane
                if ( tabPaneRe.test( cn ) && !el.tabPane )
                        new WebFXTabPane( el );
        
                // unitiated tab page wit a valid tab pane parent
                else if ( tabPageRe.test( cn ) && !el.tabPage &&
                                        tabPaneRe.test( el.parentNode.className ) ) {
                        el.parentNode.tabPane.addTabPage( el );                 
                }
        }
}

function disposeAllTabs() {
        if ( !hasSupport() ) return;
        
        var all = document.getElementsByTagName( "*" );
        var l = all.length;
        var tabPaneRe = /tab\-pane/;
        var cn, el;
        var tabPanes = [];
        
        for ( var i = 0; i < l; i++ ) {
                el = all[i]
                cn = el.className;

                // no className
                if ( cn == "" ) continue;
                
                // tab pane
                if ( tabPaneRe.test( cn ) && el.tabPane )
                        tabPanes[tabPanes.length] = el.tabPane;
        }
        
        for (var i = tabPanes.length - 1; i >= 0; i--) {
                tabPanes[i].dispose();
                tabPanes[i] = null;
        }
}


// initialization hook up

// DOM2
if ( typeof window.addEventListener != "undefined" )
        window.addEventListener( "load", setupAllTabs, false );

// IE 
else if ( typeof window.attachEvent != "undefined" ) {
        window.attachEvent( "onload", setupAllTabs );
        window.attachEvent( "onunload", disposeAllTabs );
}

else {
        if ( window.onload != null ) {
                var oldOnload = window.onload;
                window.onload = function ( e ) {
                        oldOnload( e );
                        setupAllTabs();
                };
        }
        else 
                window.onload = setupAllTabs;
}