var timeout = 500;

for( var i = 0; i < 100; i++ ) {
	eval("var timeoutli" + i + " = false;");
}
function initMenu() {
	if ( browser.isDOM1 
	&& !( browser.isMac && browser.isIE ) 
	&& !( browser.isOpera && browser.versionMajor < 7 )
	&& !( browser.isIE && browser.versionMajor < 5 ) ) {
		var menu = document.getElementById('PopupMenu');
		var lis = menu.getElementsByTagName('li');
		menu.className='PopupMenu';
		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 ); // true is important for Opera7
	}
}
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';
	}
}