function getAllFormParamsAsQueryString(form) {
    var inputs    = form.getElementsByTagName("input");
    var textareas = form.getElementsByTagName("textarea");
    var selects   = form.getElementsByTagName("select");

    var seenRadiosOrCheckboxes = new Array();
    var params = "";
    // Merge arrays
    for (var i = 0; i < inputs.length; i++) {
        var elm = inputs[i];
        if (elm.type == "button") { // This was a problem with date select
            continue;
        }
        if (elm.name) {
            if ((elm.type == "checkbox" || elm.type == "radio")) {
                if (!seenRadiosOrCheckboxes[elm.name]) {
                    seenRadiosOrCheckboxes[elm.name] = 1;
                    params += o2escape(elm.name) + "=" + getEscapedInputValueFromElement(form, elm, 1) + "&";
                }
            }
            else {
                params += o2escape(elm.name) + "=" + getEscapedInputValueFromElement(form, elm, 1) + "&";
            }
        }
    }
    for (var i = 0; i < textareas.length; i++) {
        var elm = textareas[i];
        if (elm.name) {
            params += o2escape(elm.name)  +  "="  +  getEscapedInputValueFromElement(form, elm)  +  "&"; // encodeURIComponent
        }
    }
    var seenSelects = new Array(); // XXX May have to do this for other input types as well?
    for (var i = 0; i < selects.length; i++) {
        var elm = selects[i];
        if (elm.name && !seenSelects[ elm.name ]) {
          seenSelects[ elm.name ] = true;
          params += o2escape(elm.name) + "=" + getEscapedInputValueFromElement(form, elm, 1) + "&";
        }
    }
    params = params.substring(0, params.length-1);
    return params;
}

function getEscapedInputValue(form, name) {
    var element;
    eval("element = form[\"" + name + "\"];");
    if (!element) {
        alert("Didn't find element: " + name);
        return;
    }
    return getEscapedInputValueFromElement(form, element);
}

function getEscapedInputValueFromElement(form, element) {
    if (element.toString() == "[object NodeList]") {
        element = element[0];
    }
    var name = element.name;
    if (element.toString() == "[object HTMLSelectElement]") {
        return getSelectValuesAsString(form, name);
    }
    if (element.type == "radio") {
        var radioValue = getRadioValue(form, name);
        return o2escape(radioValue);
    }
    if (element.type == "checkbox") {
        return getCheckboxValuesAsString(form, name);
    }
    if (element.value) {
        return o2escape(element.value);
    }
    return "";
}

function getInputValueFromElement(form, element) {
    /*
    if (element.type == "text" || element.type == "hidden" || element.type == "password") {
        return element.value;
    }
    */
    if (element.toString() == "[object NodeList]") {
        element = element[0];
    }
    var name = element.name;
    if (element.toString() == "[object HTMLSelectElement]") {
        return getSelectValues(form, name);
    }
    if (element.type == "radio") {
        var radioValue = getRadioValue(form, name);
        return radioValue;
    }
    if (element.type == "checkbox") {
        return getCheckboxValues(form, name);
    }
    if (element.value) {
        return element.value;
    }
    return "";
    // alert("getInputValue failed" + element);
}

function getInputValue(form, name) {
    var element;
    //    eval("element = form." + name + ";");
    eval("element = form[\"" + name + "\"];");
    if (!element) {
        alert("Didn't find element: " + name);
        return;
    }
    return getInputValueFromElement(form, element);
}

function getRadioValue(form, name) {
    var radioElements = form.getElementsByTagName("input");
    for (var i = 0; i < radioElements.length; i++) {
        var input = radioElements[i];
        if (input.name == name   &&   input.type == "radio") {
            if (input.checked) {
                return input.value;
            }
        }
    }
    return null;
}

function isChecked(form, name, value) {
    var radioElements = form.getElementsByTagName("input");
    for (var i = 0; i < radioElements.length; i++) {
        var input = radioElements[i];
        if (input.name == name   &&   input.value == value) {
            return input.checked;
        }
    }
    return false;
}

function getCheckboxValues(form, name) {
    var values = new Array();
    var j = 0;

    var checkboxElements = form.getElementsByTagName("input");
    for (var i = 0; i < checkboxElements.length; i++) {
        var input = checkboxElements[i];
        if (input.name == name   &&   input.type == "checkbox") {
            if (input.checked) {
                values[j++] = input.value;
            }
        }
    }
    return values;
}

function getCheckboxValuesAsString(form, name) {
    var values = getCheckboxValues(form, name);
    return array2string(values, name);
}

function getSelectValues(form, name) {
    var values = new Array();
    var k = 0;

    var selectElements = form.getElementsByTagName("select");
    for (var i = 0; i < selectElements.length; i++) {
        var select = selectElements[i];
        if (select.name == name) {
            var optionElements = selectElements[i].getElementsByTagName("option");
            for (var j = 0; j < optionElements.length; j++) {
                var option = optionElements[j];
                if (option.selected) {
                    values[k++] = option.value;
                }
            }
        }
    }
    return values;
}

function getSelectValuesAsString(form, name) {
    var values = getSelectValues(form, name);
    return array2string(values, name);
}

function array2string(array, name) {
    var string = "";
    for (var i = 0; i < array.length; i++) {
        if (i == 0) {
            string += o2escape(array[i]);
        }
        else {
            string += "&" + o2escape(name) + "=" + o2escape(array[i]);
        }
    }
    return string;
}

function getCurrentForm(elm) {
    if (elm.form) {
        return elm.form;
    }
    while (elm.parentNode) {
        elm = elm.parentNode;
        if (elm.nodeName == "FORM") {
            return elm;
        }
    }
    return null;
}

function clearForm(form) {

  var selects = form.getElementsByTagName("select");
  for (var i = 0; i < selects.length; i++) {
    var select = selects[i];
    var options = select.getElementsByTagName("option");
    for (var j = 0; j < options.length; j++) {
      options[j].selected = "";
    }
    // options[0].selected = "selected";
  }

  var inputs = form.getElementsByTagName("input");
  for (var i = 0; i < inputs.length; i++) {
    var input = inputs[i];
    if (input.type == "text" || input.type == "password") {
      input.value = "";
    }
    else if (input.type == "checkbox" || input.type == "radio") {
      input.checked = "";
    }
    else if (input.type == "hidden" && input.className.match(/multilingual/)) {
      input.value = "";
    }
  }

  var textareas = form.getElementsByTagName("textarea");
  for (var i = 0; i < textareas.length; i++) {
    var textarea = textareas[i];
    textarea.value = "";
  }

  if (window.setFormChanged) {
    setFormChanged();
  }
}