function up(formElement) {

var i, select;

select = getSelect(formElement);

i = select.selectedIndex;

if (i == -1 || i == 0) {

return;

}

swapOptions(select, i, i-1);

select.selectedIndex = i-1;

saveValue(select);

}

function down(formElement) {

var i, select;

select = getSelect(formElement);

i = select.selectedIndex;

if (i == -1 || i == select.length-1) {

return;

}

swapOptions(select, i, i+1);

select.selectedIndex = i+1;

saveValue(select);

}

function getSelect(formElement) {

return formElement.form['%(name)s']

}

function swapOptions(select, op1, op2) {

var tmpValue, tmpText;

tmpValue = select.options[op1].value;

tmpText = select.options[op1].text;

select.options[op1].value = select.options[op2].value;

select.options[op1].text = select.options[op2].text;

select.options[op2].value = tmpValue;

select.options[op2].text = tmpText;

}

function saveValue(select) {

if (origValues == false) {

saveOrigValues(select);

}

var s = "", i;

for (i=0; i < select.length; i++) {

s = s + escape(select.options[i].value) + " ";

}

select.form['%(hidden_name)s'].value = s;

}

function saveOrigValues(select) {

origValues = new Array();

for (i=0; i<select.length; i++) {

origValues[i*2] = select.options[i].value;

origValues[i*2+1] = select.options[i].text;

}

}

origValues = false;

function resetEntries(formElement) {

var select;

select = getSelect(formElement);

for (i=0; i<origValues.length; i+=2) {

select.options[Math.floor(i/2)] = new Option(origValues[i+1], origValues[i], false, false);

select.options[Math.floor(i/2)].selected = false;

}

saveValue(select);

}