function noenter() {
    return !(window.event && window.event.keyCode == 13);
}
function execSearch() {
    var searchString = document.getElementById('searchBox').value.replace(/[^a-zA-Z 0-9]+/g, '');
    if (searchString != '') {
        var urlString = "/Search.aspx?Term=" + searchString;
        window.location = urlString;
    }
    else {
        alert('Please enter a search term to continue');
    }
}
function captureKeyPress() {
    var key;

    if (window.event)
        key = window.event.keyCode;     //IE
    else
        key = e.which;

    if (key == 13) {
        execSearch();
    }
}
function clearNonAlphaNum() 
{
    var searchString = document.getElementById('searchBox').value;
    document.getElementById('searchBox').value = searchString.replace(/[^a-zA-Z 0-9]+/g, '');
}