/*
Author   : bieler batiste
Company  : doSimple : http://www.dosimple.ch
send me a mail for more informations : faden@PASDEPOURRIELaltern.org - remove ( PASDEPOURRIEL )

Short javascript function to create and handle a CSS navigation menu

Copyright (C) 2004  Bieler Batiste

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

// the timeout for the menu
var timeout = 1000;

// not very clean but simple
// the function can be run in the HTML for faster display
// window.onload=initMenu;

// creat timeout variables for list item
// it's for avoid some warning with IE
for( var i = 0; i < 100; i++ )
{
    eval("var timeoutli" + i + " = false;");
}

// this fonction apply the CSS style and the event
function initMenu()
{
    // a test to avoid some browser like IE4, Opera 6, and IE Mac
    if ( browser.isDOM1 
    && !( browser.isMac && browser.isIE ) 
    && !( browser.isOpera && browser.versionMajor < 7 )
    && !( browser.isIE && browser.versionMajor < 5 ) )
    {
        // get some element
        var menu = document.getElementById('menu'); // the root element
        var lis = menu.getElementsByTagName('li'); // all the li
        
        // change the class name of the menu, 
        // it's usefull for compatibility with old browser
        menu.className='menu';
        var x = 0;
        // i am searching for ul element in li element
        for ( var i=0; i<lis.length; i++ )
        {
            // is there a ul element ?
            if ( lis.item(i).getElementsByTagName('ul').length > 0 )
            {   
                x++;
                // improve IE key navigation
                if ( browser.isIE )
                {
                    addAnEvent(lis.item(i),'keyup',show);
                }
                // link events to list item
                addAnEvent(lis.item(i),'mouseover',show);
                addAnEvent(lis.item(i),'mouseout',timeoutHide);
                addAnEvent(lis.item(i),'blur',timeoutHide);
                addAnEvent(lis.item(i),'focus',show);
                // add an id to list item
                lis.item(i).setAttribute( 'id', "li" + i);
            }
        }
    }
    document.getElementById("menu").style['visibility'] = 'visible';
}

function search_id(str)
{
    // a test to avoid some browser like IE4, Opera 6, and IE Mac
    // example:
    // search4('comp')
    if ( browser.isDOM1 
    && !( browser.isMac && browser.isIE ) 
    && !( browser.isOpera && browser.versionMajor < 7 )
    && !( browser.isIE && browser.versionMajor < 5 ) )
    {
        var menu = document.getElementById('menu'); // the root element
        var lis = menu.getElementsByTagName('div'); // all the div
        menu.className='menu';
        for ( var i=0; i<lis.length; i++ )
        {
            //if (lis.item(i).firstChild.innerHTML)
            //  alert(lis.item(i).parentNode.id + ' ' + lis.item(i).firstChild.innerHTML);
            if (lis.item(i).firstChild.innerHTML){
                var str_res = lis.item(i).firstChild.innerHTML.substring(0,4);
                str_res = str_res.toLowerCase();
                //alert(str_res);
                if (str_res == str){
                    return lis.item(i).parentNode.id;
                }
            }
        }
    }
}

function translate_id_str(id){
    switch(id)
    {
        case '19':
        case '49':
        case '58':
        case '50':
        case '51':
        case '21':
           return 'comp';
        case '18':
        case '26':
        case '25':
        case '57':
        case '24':
        case '23':
        case '22':
           return 'wag';
        case '17':
	case '132':
	case '135':
        case '29':
        case '32':
        case '31':
        case '30':
        case '28':
           return 'tran';
        case '16':
        case '35':
        case '34':
        case '33':
        case '32':
        case '31':
        case '30':
	case '94':
           return 'tari';
        case '15':
        case '37':
        case '55':
        case '36':
        case '56':
           return 'onli';
        case '14':
        case '44':
        case '43':
        case '42':
        case '41':
        case '40':
        case '39':
        case '38':
           return 'docu';
        case '13':
        case '46':
        case '128':
        case '129':
	case '137':
           return 'arch';
        //--------
        case '70':
        case '75':
        case '74':
        case '73':
        case '72':
        case '71':
           return 'unte';
        case '76':
        case '84':
        case '83':
        case '82':
        case '81':
        case '79':
        case '78':
           return 'wag';
        case '85':
        case '90':
        case '89':
        case '88':
        case '87':
        case '86':
           return 'tran';
        case '91':
        case '94':
        case '93':
        case '92':
           return 'entg';
        case '95':
        case '98':
        case '97':
        case '96':
           return 'onli';
        case '100':
        case '107':
        case '106':
        case '105':
        case '104':
        case '103':
        case '102':
        case '101':
           return 'doku';
        case '108':
        case '127':
        case '130':
        case '131':
           return 'arch';
        default:
           return 'comp';
    }
}

function addAnEvent( target, eventName, functionName )
{
    //alert(target + ", " + eventName + ", " + functionName);
    // apply the method to IE
    if ( browser.isIE )
    {
        //attachEvent dont work properly with this
        eval('target.on'+eventName+'=functionName');
    }
    // apply the method to DOM compliant browsers
    else
    {
        target.addEventListener( eventName , functionName , true ); // true is important for Opera7
    }
}
    
// hide the first ul element of the current element
function timeoutHide()
{
    // start the timeout
    //eval( "timeout" + this.id + " = window.setTimeout('hideUlUnder( \"" + this.id + "\" )', " + timeout + " );");
}

// hide the ul elements under the element identified by id
function hideUlUnder( id )
{   
    document.getElementById(id).getElementsByTagName('ul')[0].style['visibility'] = 'hidden';
}

// show the first ul element found under this element
function show()
{
    // show the sub menu
    this.getElementsByTagName('ul')[0].style['visibility'] = 'visible';
    var currentNode=this;
    while(currentNode)
    {
            if( currentNode.nodeName=='LI')
            {
                currentNode.getElementsByTagName('a')[0].className = 'linkOver';
            }
            currentNode=currentNode.parentNode;
    }
    // clear the timeout
    eval ( "clearTimeout( timeout"+ this.id +");" );
    hideAllOthersUls( this );
    //------------------------------------------- added WB
    var str = ReplaceTags(this.innerHTML);
    str = str.replace(/\n+/,"");
    str = str.replace(/ +/,"");
    str = str.substring(0,3);
    str = str.toLowerCase();
    document.getElementById('bog_top').style.backgroundImage = 'url(fileadmin/bog/images/' + str + '.jpg)';
    document.getElementById('bog_left').style.backgroundImage = 'url(fileadmin/bog/images/' + str + '_2.jpg)';    
}

// hide all ul on the same level of  this list item
function hideAllOthersUls( currentLi )
{
    var lis = currentLi.parentNode;
    for ( var i=0; i<lis.childNodes.length; i++ )
    {
        if ( lis.childNodes[i].nodeName=='LI' && lis.childNodes[i].id != currentLi.id )
        {
            hideUlUnderLi( lis.childNodes[i] );
        }
    }
}

// hide all the ul wich are in the li element
function hideUlUnderLi( li )
{
    var as = li.getElementsByTagName('a');
    for ( var i=0; i<as.length; i++ )
    {
        as.item(i).className="";
    }
    var uls = li.getElementsByTagName('ul');
    for ( var i=0; i<uls.length; i++ )
    {
        uls.item(i).style['visibility'] = 'hidden';
    }
} 
//--------------------------------------- added WB
var regExp = /<\/?[^>]+>|&nbsp;/gi; 
function ReplaceTags(xStr)
{ 
   xStr = xStr.replace(regExp,""); 
   return xStr;
}