function setSelected(option) {

    elem = document.getElementById('ucTabs1_hdnSearchCriteria');
    elem.value = option;
    
    if (option == "Placename") {
        resetPostcode();
        resetZone();
    }
    else if (option == "Zone") {
        resetPlacename();
        resetPostcode();
    }
    else if (option == "Postcode") {
        resetPlacename();
        resetZone();
    }
}

function resetPlacename() {
    elem = document.getElementById('ucTabs1_txtPlacename');
    elem.value = "";
    elem = document.getElementById('ucTabs1_txtPlacenameLL');
    elem.value = "";
}

function resetPostcode() {

    elem = document.getElementById('ucTabs1_ddlPostCodeMiles');
    elem.selectedIndex = 0;
    elem = document.getElementById('ucTabs1_txtPostcode');
    elem.value = "";
    elem = document.getElementById('ucTabs1_txtPostcodeLandLord');
    elem.value = "";
}

function resetZone() {
    elem = document.getElementById('ucTabs1_ddlZones');
    elem.selectedIndex = 0;
}