// JavaScript Document
// Site : SFTS 
// Date : 19/04/2007
// rev. : 1.0

window.onload=initMenu;

// the timeout for the menu
var timeout = 0;

// 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';
        
        // 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 )
            {        
                // hide all menus except the class selected one
				if(lis.item(i).className != 'selected'){hideUlUnderLi(lis.item(i))};
				// 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).getElementsByTagName('img')[0],'mouseover',rollover);
				addAnEvent(lis.item(i),'mouseout',timeoutHide);
				addAnEvent(lis.item(i),'blur',timeoutHide);
                
                // add an id to list item
                lis.item(i).setAttribute( 'id', "li"+i );
            }
        }
    }
}

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 + " );");
	showSelected();	
}

// hide the ul elements under the element identified by id
function hideUlUnder( id )
{   
		if(document.getElementById(id).className != 'selected')
		{
			document.getElementById(id).style.zIndex = 95;
			document.getElementById(id).getElementsByTagName('ul')[0].style['display'] = 'none';
			document.getElementById(id).getElementsByTagName('ul')[0].removeAttribute('id');
			resetImg();
		}
}

// show the first ul element found under this element
function show()
{
    // show the sub menu
	if(this.className != 'selected')
	{
		this.getElementsByTagName('ul')[0].style['display'] = 'block';
		this.getElementsByTagName('ul')[0].setAttribute('id','in');
		this.style.zIndex = 90;
	}
    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 );
}

// 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['display'] = 'none';
    }
}

// Add somme image effects
function rollover()
{
	this.style.cursor = 'pointer'; // change le pointer qd le rollover ne se fait pas sur un lien
	originalimgpath = this.src;
	imgpath = this.src;
	var imgname = imgpath.split('/')[imgpath.split('/').length-1].split('.')[0];
	var ext = imgpath.split('/')[imgpath.split('/').length-1].split('.')[1];
	var newimgname = imgname+'-on.'+ext;
	var expr = eval("/."+ext+"/");
	if(imgpath.indexOf("-on")==-1 && imgpath.indexOf("-in")==-1)
	{
		newimgpath = imgpath.replace(expr,"-on."+ext);
		this.src = newimgpath;
	}else{
		newimgpath = imgpath;
	}
}

function showSelected()
{
	var menu = document.getElementById('menu'); // the root element
	var lis = menu.getElementsByTagName('li'); // all the li
	for ( var i=0; i<lis.length; i++ )
	{
		if(lis.item(i).className == 'selected')
		{
			lis.item(i).getElementsByTagName('ul')[0].style['display'] = 'block';
		}
	}
}

function resetImg()
{
	//alert('reset image');
	lis = document.getElementById('menu').getElementsByTagName('li');
	for(i=0;i<lis.length;i++)
	{
		if(lis.item(i).getElementsByTagName('ul')[0] && lis.item(i).getElementsByTagName('ul')[0].id != 'in')
		{
			lis.item(i).getElementsByTagName('img')[0].src = lis.item(i).getElementsByTagName('img')[0].src.replace("-on","");
		}
	}
}

/*
function resetImg()
{
	imgs = document.getElementById('menu').getElementsByTagName('img');
	for(i=0;i<imgs.length;i++)
	{
		if(document.getElementById('page').className != 'int')
		{
			if(imgs.item(i).src.indexOf("-on") && imgs.item(i).src != newimgpath)
			{
				imgs.item(i).src = imgs.item(i).src.replace("-on","");
			}
		}else{
			if(imgs.item(i).src.indexOf("-on"))
			{
				imgs.item(i).src = imgs.item(i).src.replace("-on","");
			}
		}
	}
}
*/