var orderPlaced = false;

function redirectSearchQuery() {
    url = "catalogue?hub.action=search&catalogue.SearchString=";
    url = url + document.search["catalogue.SearchString"].value;
    location.replace(url);
    return false;
}

function clearSearchField() {
    if (flag) {
        document.search["catalogue.SearchString"].value = "";
    }
}    

function restoreSearchField() {
    if (document.search["catalogue.SearchString"].value == "") {
        document.search["catalogue.SearchString"].value = searchString;
    }
}    

function popup(url, width, height) {
    window.open(url,'hw','width=' + width + ',height=' + height);
}

function placeOrder(url) {
    if (!orderPlaced) {
        document.location = url;
        orderPlaced = true;

    } else
        alert("Your order is being processed. Please wait for your receipt.");
}