function OSWebSearchPerformSearch(button) {
    var panel = button.parentNode;
    var inputArray = panel.getElementsByTagName('input');
    if (inputArray.length > 0) {
        var textBox = inputArray[0];
        var searchField = document.getElementById("txtSearchItem");
        searchField.value = textBox.value;

        var theForm = document.forms[0];
        theForm.encoding = "application/x-www-form-urlencoded";
        theForm.action = document.getElementById("submitUrl").value;
    }
}