<!-- //

function hL(obj){
	document.getElementById(obj).style.visibility = 'hidden';
}

function hAll(){
	hL('sub_mn_solucoes');
	hL('sub_mn_mobile');
	desativa();
}

function sL(obj){
	hAll();
	document.getElementById(obj).style.visibility = 'visible';
}

function ativa(obj){
	if(obj == 'bt2'){
		my_css = "transparent url('css/img/menu_on.gif') no-repeat -68px 0";
	}
	else{
		my_css = "transparent url('css/img/menu_on.gif') no-repeat -229px 0";
	}
	
	document.getElementById(obj).style.background = my_css;
}

function desativa(){
	document.getElementById('bt2').style.background = "transparent url('css/img/menu.gif') no-repeat -68px 0";
	document.getElementById('bt3').style.background = "transparent url('css/img/menu.gif') no-repeat -229px 0";
}


function Enviar(){
	frm = document.formulario;

		if(frm.Email.value == "" || frm.Email.value.indexOf("@") < 0 || frm.Email.value.indexOf(".") < 0){
			alert("Por favor preencha o seu e-mail corretamente.");
			frm.Email.focus();
		}
		else{
			if(frm.Mensagem.value == ""){
				alert("Por favor escreva a mensagem antes de envia-la.");
				frm.Mensagem.focus();
			}
			else{
				frm.submit();
			}
		}
	

}
// -->