function mnu(act, mnuDef, theO){
	if (act == 'shw'){
		$('ul.submenu').css({display:'none'});
		$('a').removeClass('selected');		
		$('#sub_'+mnuDef).css({display:'block'});
		$(theO).addClass('selected');		
	}
}

function focBusca(cpo){
	if (cpo.value =='Procurar'){
		cpo.value =''
	}
}

function valida(oFrm){
	if (oFrm.keyword.value == ''){
		alert('Especifique a palavra chave');
		oFrm.keyword.focus();
		return false
	} else {
		return true;	
	}
	
}