var timeout = 1000;

for( var i = 0; i < 100; i++ )
{
    eval("var timeoutauto" + i + " = false;");
}

function Menu() {
	this.init = Init();
	this.menu;
}

function Init() {	
    // 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 ) )
    {
		this.menu = document.getElementById("menu");
		
		/* On cache tous les levels 2 ou + */
		var boucle = 2;
		while(getElementsByClassName("level_"+boucle,this.menu).length > 0) {
			var tempTab = getElementsByClassName("level_"+boucle,this.menu);
			for(var i=0; i<tempTab.length; i++) {
				tempTab[i].style.display = "none";
			}
			boucle++;
		}
		
		/* ajoute les évènements à tous les menus et sous menus */
		var boucle = 1;
		var cp=0;
		while(getElementsByClassName("level_"+boucle,this.menu).length > 0) {
			var tempTab = getElementsByClassName("level_"+boucle,this.menu);
			for(var i=0; i<tempTab.length; i++) {
				tempTab[i].setAttribute('id',"auto"+cp);
				addAnEvent(tempTab[i],'mouseover',show);
				addAnEvent(tempTab[i],'mouseout',timeoutHide);
				cp++;
			}
			boucle++;
		}
	}
}

function getElementsByClassName(className, elm) {
	var selection = new Array();
	var regex = new RegExp("\\b" + className + "\\b");
	if(!elm) {
		elm = document;
	} else if(typeof(elm) == "string") {
		elm = document.getElementById(elm);
	}
	
	var elmts = elm.getElementsByTagName("*");
	for(var i=0; i<elmts.length; i++) {
		if(regex.test(elmts[i].className)) {
			//alert(elmts[i])
			selection.push(elmts[i]);
		}
	}
	return selection;
}

function timeoutHide()
{
	eval( "timeout" + this.id + " = window.setTimeout('hide(\"" + this.id + "\")', " + timeout + " );");
}

function hideAll(object) {
	var tabActualClassName = object.className.split("_");
	var actualLevel = tabActualClassName[1];
	var nextLevel = parseInt(actualLevel)+1;
	
	var tabElemNextlevel = getElementsByClassName("menu_" + nextLevel,document);
	
	for(var i=0; i<tabElemNextlevel.length; i++) {
		tabElemNextlevel[i].style.display = "none";
	}
	
	theThis = null;
}

function hide(id) {
	var tabActualClassName = document.getElementById(id).className.split("_");
	var actualLevel = tabActualClassName[1];
	var nextLevel = parseInt(actualLevel)+1;

	var tabElemNextlevel = getElementsByClassName("level_" + nextLevel,document.getElementById(id));
	
	for(var i=0; i<tabElemNextlevel.length; i++) {
		tabElemNextlevel[i].style.display = "none";
	}
}

function show() {
	eval ("clearTimeout( timeout"+ this.id +");");
    hideAllOthersSameLevel(this);
	
	var tabActualClassName = this.className.split("_");
	var actualLevel = tabActualClassName[1];
	var nextLevel = parseInt(actualLevel)+1;

	var tabElemNextlevel = getElementsByClassName("level_" + nextLevel,this);
	
	for(var i=0; i<tabElemNextlevel.length; i++) {
		tabElemNextlevel[i].style.display = "block";
	}
}

function hideAllOthersSameLevel(current)
{
	var tabActualClassName = current.className.split("_");
	var actualLevel = tabActualClassName[1];
	var nextLevel = parseInt(actualLevel)+1;

	var tabElemNextlevel = getElementsByClassName("level_" + nextLevel,document);
	
	for(var i=0; i<tabElemNextlevel.length; i++) {
		tabElemNextlevel[i].style.display = "none";
	}
}

function addAnEvent( 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
    }
}

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

   // browser name
   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); 
   
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   
   // correct version number
   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 );
   
   // dom support
   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   
   // css compatibility mode
   this.mode = document.compatMode ? document.compatMode : 'BackCompat';

   // platform
   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);
   
   // specific browser shortcuts
   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();