var state = 'none'; 

function showhide(layer_ref) { 

divId = document.getElementById("Answer"+layer_ref);
question = document.getElementById("Question"+layer_ref);
image = document.getElementById("Image"+layer_ref);

if (divId.style.display == 'block') { 
    divId.style.display = 'none';
    question.className = "faqTitle";
    image.src = "images/metrodoportov2/abrir.gif";
} 
else { 
    divId.style.display = 'block';
    question.className = "faqTitleHover";
    image.src = "images/metrodoportov2/fechar.gif"; 
} 
}

function hoverquestion(layer_ref) {

divId = document.getElementById("Answer"+layer_ref);
question = document.getElementById("Question"+layer_ref);
image = document.getElementById("Image"+layer_ref);

if (divId.style.display == 'none') { 
    image.src = "images/metrodoportov2/abrir_on.gif";
    question.className = "faqTitleHover";
}
}
function normalquestion(layer_ref) {

divId = document.getElementById("Answer"+layer_ref);
question = document.getElementById("Question"+layer_ref);
image = document.getElementById("Image"+layer_ref);

if (divId.style.display == 'none') {
    image.src = "images/metrodoportov2/abrir.gif";
    question.className = "faqTitle";
}
else{
    image.src = "images/metrodoportov2/fechar.gif";
    question.className = "faqTitleHover";
}
}
function showhideAlert(layer_ref) { 

divId = document.getElementById(layer_ref);
altura = document.getElementById("alertaContainer").offsetHeight - 6;

if (divId.style.display == 'block') { 
    divId.style.height = altura;
    divId.style.display = 'none';
} 
else { 
    divId.style.height = altura;
    divId.style.display = 'block';
} 
}