function changeText(element, isBlur)
{
    var originalText    = element.title;
    var emptyString     = "";
    if (!isBlur)
    {
        if (element.value == originalText)
            element.value = emptyString;
    }
    else if (isBlur) {
        if (element.value == emptyString)
            element.value = originalText;
    }
}