var formId = "advancedSearch";

function resetCheckBoxes(collection) {
    var form = document.getElementById(formId);
    for (var i = 1; i <= collections[collection]; i++) {
        form.elements[collection + "" + i].checked = false;
    }
    reselectMaster(collection);
}

function deselectMaster(collection) {
    var form = document.getElementById(formId);
    form.elements[collection + "Main"].checked = false;
    reselection = true;
    for (var i = 1;i <= collections[collection]; i++) {
        if (form.elements[collection + "" + i].checked == true) {
            reselection = false;
        }
    }
    if (reselection) {
        reselectMaster(collection);
    }
}

function reselectMaster(collection) {
    var form = document.getElementById(formId);
    form.elements[collection + "Main"].checked = true;
}

function selectRadio() {
    var form = document.getElementById(formId);
    form.elements["dateRange-4"].checked = true;
}