function showHidePanel(id){
    var panel = document.getElementById("panel" + id);
    var label = document.getElementById("expandLabel" + id);
    //var img = document.getElementById("expandImage" + id);
    if(panel.style.display == "" || panel.style.display == "none"){
        panel.style.display = "block";
        label.innerHTML = "<b>-</b>";
        /*img.src = "../images-icaro/boton_vermas.gif";*/
    }
    else {
        panel.style.display = "none";
        label.innerHTML = "+";
        /*img.src = "../images-icaro/boton_vermas.gif";*/
    }

    autoSizeColumns(["content"]);
}