function checkByLabel(id)
{
    var el = document.getElementById(id);
    if (el != null)
    el.checked = true;
}

function findProduct() {
    var choose = document.getElementsByName("productFinderRadio");
    var param = "undefined";
    var i;
    for (i = 0; i < choose.length; i++) {
        if (choose[i].checked)
            param = choose[i].value;
    }
    if (param == "undefined") {

        alert(alertMsg4);
        return;
    }
    //alert("param="+param);
    if (param == "trackball")
        window.location.href = "/hardware/mouseandkeyboard/productfinder/productfinder.aspx?qid=trackball";
    else
        showQuestionsDialog(param);
}