// temps de réaction du menu
var timeout = 100;
for( var i = 0; i < 100; i++ ) { eval("var timeoutli" + i + " = false;"); }

// initialisation du menu
function initMenu() {
    // test du navigateur
    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('li'); // all the li
        menu.className='menu';
        for ( var i=0; i<lis.length; i++ )
        {
            if ( lis.item(i).getElementsByTagName('ul').length > 0 )
            {        
                if ( browser.isIE ) { addAnEvent(lis.item(i),'keyup',show); }
                addAnEvent(lis.item(i),'mouseover',show);
                addAnEvent(lis.item(i),'mouseout',timeoutHide);
                addAnEvent(lis.item(i),'blur',timeoutHide);
                addAnEvent(lis.item(i),'focus',show);
                lis.item(i).setAttribute( 'id', "li"+i );
            }
        }
    }
}

function addAnEvent( target, eventName, functionName ) {
    if ( browser.isIE ) { eval('target.on'+eventName+'=functionName'); }
    else { target.addEventListener( eventName , functionName , true ); }
}
    
function timeoutHide() {
    eval( "timeout" + this.id + " = window.setTimeout('hideUlUnder( \"" + this.id + "\" )', " + timeout + " );");
}

function hideUlUnder( id ) {   
    document.getElementById(id).getElementsByTagName('ul')[0].style['visibility'] = 'hidden';
}

function show() {
    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;
    }
    eval ( "clearTimeout( timeout"+ this.id +");" );
    hideAllOthersUls( this );
}

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] ); }
    }
}

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'; }
}

function BrowserDetectLite() {
   var ua = navigator.userAgent.toLowerCase(); 

   this.isGecko     = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isMozilla   = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isNS        = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   this.isIE        = ( (ua.indexOf('msie') != -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) ); 
   this.isSafari    = (ua.indexOf('safari') != - 1);
   this.isOpera     = (ua.indexOf('opera') != -1); 
   this.isKonqueror = (ua.indexOf('konqueror') != -1 && !this.isSafari); 
   this.isIcab      = (ua.indexOf('icab') != -1); 
   this.isAol       = (ua.indexOf('aol') != -1); 

   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);

   this.versionMinor = parseFloat(navigator.appVersion); 

   if (this.isNS && this.isGecko) { this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) ); }
   else if (this.isIE && this.versionMinor >= 4) { this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) ); }
   else if (this.isMozilla) { this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) ); }
   else if (this.isSafari) { this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) ); }
   else if (this.isOpera) {
      if (ua.indexOf('opera/') != -1) { this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) ); }
      else { this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) ); }
   }
   else if (this.isKonqueror) { this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) ); }
   else if (this.isIcab) {
      if (ua.indexOf('icab/') != -1) { this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) ); }
      else { this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) ); }
   }

   this.versionMajor = parseInt(this.versionMinor); 
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );

   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);

   this.mode = document.compatMode ? document.compatMode : 'BackCompat';

   this.isWin   = (ua.indexOf('win') != -1);
   this.isWin32 = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
   this.isMac   = (ua.indexOf('mac') != -1);
   this.isUnix  = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
   this.isLinux = (ua.indexOf('linux') != -1);

   this.isNS4x    = (this.isNS   && this.versionMajor == 4);
   this.isNS40x   = (this.isNS4x && this.versionMinor <  4.5);
   this.isNS47x   = (this.isNS4x && this.versionMinor >= 4.7);
   this.isNS4up   = (this.isNS   && this.versionMinor >= 4);
   this.isNS6x    = (this.isNS   && this.versionMajor == 6);
   this.isNS6up   = (this.isNS   && this.versionMajor >= 6);
   this.isNS7x    = (this.isNS   && this.versionMajor == 7);
   this.isNS7up   = (this.isNS   && this.versionMajor >= 7);
   this.isIE4x    = (this.isIE   && this.versionMajor == 4);
   this.isIE4up   = (this.isIE   && this.versionMajor >= 4);
   this.isIE5x    = (this.isIE   && this.versionMajor == 5);
   this.isIE55    = (this.isIE   && this.versionMinor == 5.5);
   this.isIE5up   = (this.isIE   && this.versionMajor >= 5);
   this.isIE6x    = (this.isIE   && this.versionMajor == 6);
   this.isIE6up   = (this.isIE   && this.versionMajor >= 6);
   this.isIE4xMac = (this.isIE4x && this.isMac);
}

var browser = new BrowserDetectLite();