/* 
	Adds Keyboard Support for BigBra Menus
	Only for modern browsers
*/
var onmenu='';

function afocus(){
	var menuid = this.parentNode.id.substr(0,4);
	if(onmenu && menuid != onmenu ){
		var menu=document.getElementById(onmenu);
		menu.className='';
	}
	var menu=document.getElementById(menuid);
	menu.className='hover';
	onmenu = menuid;
}

function ablur(){	
	var menuid = this.parentNode.id.substr(0,4);
	var menu=document.getElementById(menuid);
	menu.className='';
}

function aInit(){
	var nav=document.getElementById('navbar');
	var links=nav.getElementsByTagName('A');
	for(var i=0; i<links.length; i++){
			links[i].onfocus=afocus;
			links[i].onblur=ablur;			
	}	
}

if(window.addEventListener){
	window.addEventListener('load',aInit,false);
}
else if (window.attachEvent){	//MS IE support
	window.attachEvent('onload', aInit);
}