// menu timeout
var timeout = 1000;

// create timeout variables for list items to avoid IE errors
for( var i = 0; i < 100; i++ )
{
    eval("var timeoutli" + i + " = false;");
}

function initMenu()
{
    // detect MacIE, Opera, IE
    if ( browser.isDOM1 
    && !( browser.isMac && browser.isIE ) 
    && !( browser.isOpera && browser.versionMajor < 7 )
    && !( browser.isIE && browser.versionMajor < 5 ) )
    {
        // get an element
        var menu = document.getElementById('menu'); // the root element
        var lis = menu.getElementsByTagName('li'); // all li tags
        
        // set class name of menu
        menu.className='menu';
        
        // find ul element nested within li element
        for ( var i=0; i<lis.length; i++ )
        {
            // verify existence of ul nested within li
            if ( lis.item(i).getElementsByTagName('ul').length > 0 )
            {        
                // improve IE accesskey navigation
                if ( browser.isIE )
                {
                    addAnEvent(lis.item(i),'keyup',show);
                }
                // link events to list item
               	/*MOD*/
			    if(lis.item(i).getElementsByTagName('ul')[0].className != 'sublist'){
				/*MOD*/
					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 );
	                lis.item(i).getElementsByTagName('a')[0].className = 'menuIndicator';
				}				
            }
        }
    }
}

function addAnEvent( target, eventName, functionName )
{
    // apply the method to IE
    if ( browser.isIE )
    {
        //attachEvent doesn't 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 )
{   
   var i=0;  
		//document.getElementById(id).getElementsByTagName('ul')[0].style['visibility'] = 'hidden';
	/*MOD*/
    var ul = document.getElementById(id).getElementsByTagName('ul')[0]
	var subul = ul.getElementsByTagName('ul')

	ul.style['visibility'] = 'hidden';

	if(subul.length > 0){
		for(i=0;i<subul.length;i++){
			if(subul[i].className == 'sublist')
				subul[i].style['visibility'] = 'hidden';
		}
	}
	/*MOD*/		
}

// show the first ul element found under this element
function show()
{
    var i=0;
	// show the sub menu
    // this.getElementsByTagName('ul')[0].style['visibility'] = 'visible';
	/*MOD*/
    var ul = this.getElementsByTagName('ul')[0]
	var subul = ul.getElementsByTagName('ul')

	ul.style['visibility'] = 'visible';

	if(subul.length > 0){
		for(i=0;i<subul.length;i++){
			if(subul[i].className == 'sublist')
				subul[i].style['visibility'] = 'visible';
		}
	}
	/*MOD*/
	
	
	// 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 ul = currentLi.parentNode;
    //alert(lis.childNodes.length);
    for ( var i=0; i<ul.childNodes.length; i++ )
    {
        if ( ul.childNodes[i].id && ul.childNodes[i].id != currentLi.id )
        {
            hideUlUnderLi( ul.childNodes[i] );
        }
    }
}

// hide all the ul wich are in the li element
function hideUlUnderLi( li )
{

    var uls = li.getElementsByTagName('ul');
    for ( var i=0; i<uls.length; i++ )
    {
		uls.item(i).style['visibility'] = 'hidden';

    }
}