function showhide(theId) {
    var element = document.getElementById(theId);
    var picelement = document.getElementById("pic-" + theId);
    if (element.style.display == "none") {
        element.style.display = "block";
        picelement.src = "../../Content/img/triangledown.png"
    }
    else {
        element.style.display = "none";
        picelement.src = "../../Content/img/triangleright.png"
    }
    //return false;
}