/*menu*/
function menu(obj, opcao){
	switch( opcao ){
		case 1:
			document.getElementById(obj).style.visibility = 'visible';
		break;
		case 2:
			document.getElementById(obj).style.visibility = 'hidden';
		break;
	}
}
function loadMenu(){
	var menu	= document.getElementById("menu");
	var itens	= menu.getElementsByTagName("li");
	for ( var i = 0; i < itens.length; ++i ){
		var item	= itens[i];
		var submenu	= item.className.split(" ")[0];
		submenu		= submenu.replace("item-", "menu-");
		submenu		= document.getElementById( submenu );
		if ( submenu ){
			submenu.pai			= item.getAttribute('pai');
			item.submenu		= submenu;
			item.onmouseover	= function(){ this.submenu.style.display	= 'block'; }
			item.onmouseout		= function(){ this.submenu.style.display	= ''; }
			submenu.onmouseover	= function(){
				this.style.display	= 'block';
				if ( this.pai ){ document.getElementById( this.pai ).style.display	= 'block'; }
			}
			submenu.onmouseout	= function(){
				this.style.display	= '';
				if ( this.pai ){ document.getElementById( this.pai ).style.display	= ''; }
			}
		}
		
	}
}
/*fim menu*/