function checkEnter(e, searchText) {
    var characterCode
    if (e && e.which) {
        e = e
        characterCode = e.which
    }
    else {
        e = event
        characterCode = e.keyCode
    }
    if (characterCode == 13) {
        e.returnValue = false;
        e.cancel = true;        
        setTimeout(function() {
        window.location = '/search/?q=' + encodeURI(searchText.value);
        }, 0); // WebKit requires this timeout
    }
    else {
        return true
    }
}