$(document).ready(function () {
	$("a.lightbox").lightbox();
});

var fieldValues = new Array();

function clearFieldText(obj)
{
    if(!fieldValues[obj.name])
    {
        fieldValues[obj.name] = obj.value;
        obj.value="";
    }
}

function setFieldText(obj)
{
    if(obj.value.length == 0)
    {
        obj.value = fieldValues[obj.name];
        delete fieldValues[obj.name];
    }
}