function toggle(a, b, type) {
    if (type == undefined) type = 'block';
    if(a != null) document.getElementById(a).style.display = "none";
    if(b != null) document.getElementById(b).style.display = type;
}

function sendbuttonclick(buttonName, e) {
    var key;
    if (window.event) key = window.event.keyCode;
    else key = e.which;
    if (key == 13) {
        var btn = document.getElementById(buttonName);
        if (btn != null) { //If we find the button click it
            btn.click();
            event.keyCode = 0
        }
    }
}