function changeSearchMode() {
    swapNodes("searchFrame", "altSearchFrame");
    swapNodes("searchLink", "altSearchLink");
}

function swapNodes(name1, name2) {
    var node1 = $(name1);
    var node2 = $(name2);
    var nextSibling = node1.nextSibling;
    var parentNode = node1.parentNode;
    node2.parentNode.replaceChild(node1, node2);
    parentNode.insertBefore(node2, nextSibling); 
}

function $(name) {
    return document.getElementById(name);
}