function mostramenu(tagid,menuid){
	
	if(tagid != ''){
	var dtn = document.getElementsByTagName("*");
	for(i = 0; i < dtn.length; i++){
		if(dtn[i].className == 'menu_div_block'){
			dtn[i].className = 'menu_div_none';
		}
	}
	var myelement = document.getElementById(tagid);
	myelement.className = 'menu_div_block';
	}
	
	var menu = document.getElementById(menuid);
	if (menu.className == 'menu_li_topo'){
	 menu.className = 'menu_li_topo_hover';
	}
}

function esconder() {
	var dtn = document.getElementsByTagName("*");
	for(i = 0; i < dtn.length; i++){
		if(dtn[i].className == 'menu_div_block'){
			dtn[i].className = 'menu_div_none';
		}
		
		if(dtn[i].className == 'menu_li_topo_hover'){
			dtn[i].className = 'menu_li_topo';
		}
	}
}

function mn_status(menuid){
	var menu = document.getElementById(menuid);
	if (menu.className == 'menu_li_sub'){
		menu.className = 'menu_li_sub_hover';
	} else {
		menu.className = 'menu_li_sub';
		}
}