/*
Author   : bieler batiste
Company  : doSimple : http://www.dosimple.ch
*/

// the timeout for the menu
var timeout = 350;
var menu;

// 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
		menu = document.getElementById('menu'); // the root element
		
		if (menu != null) { // le menu est il actif ?
			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';
			
			// i am searching for ul element in li element
			for ( var i=0; i<lis.length; i++ )
			{
				// add an id to list item
				lis.item(i).setAttribute( 'id', "li"+i );

				// is there a ul element ?
				// is there a ul element ?
				if ( lis.item(i).getElementsByTagName('ul').length > 0 )
				{
					// 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),'focus',show);
					addAnEvent(lis.item(i),'mouseout',timeoutHide);
					addAnEvent(lis.item(i),'blur',timeoutHide);									
				}
			}
		}
	}
	else
		alert("Désolé: nous vous conseillons de mettre à jour votre navigateur Internet avec une version plus récente.");
}

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
    }
}
    
// 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 )
{   
	if (document.getElementById(id)) {
		// s'il y a un sous menu : le cacher
		if (document.getElementById(id).getElementsByTagName('ul')[0])
			document.getElementById(id).getElementsByTagName('ul')[0].style['visibility'] = 'hidden';
	
		// restorer la couleur du menu item
		if (document.getElementById(id).getElementsByTagName('a')[0])
			document.getElementById(id).getElementsByTagName('a')[0].className = '';
	}
}

// show the first ul element found under this element
function show()
{
	// clear the timeout
  eval ( "clearTimeout( timeout"+ this.id +");" );

	// show the sub menu
  if (this.getElementsByTagName('ul')[0]) {
    this.getElementsByTagName('ul')[0].style['visibility'] = 'visible';
    var currentNode=this;
    while(currentNode != menu && currentNode)	// Affiche les parents dans la couleur adéquate
    {
			if( currentNode.nodeName=='LI')
			{
					currentNode.getElementsByTagName('a')[0].className = 'linkOver';
			}
			currentNode=currentNode.parentNode;
    }
		ActiveIdMenu = this.id;
	}

  hideAllOthersUls( this );
}

// 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] );
        }
    }
}

// Rend inactif le menu et ces sous menu.
// 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';
    }
}