function onBlurInput(sender)
{
    if(sender.value=="")
    {
        sender.value = sender.originalValue;
        sender.className = "input";
        sender.isActive = false;
    }            
}
function onFocusInput(sender)
{
    if(sender.isActive) return;
    sender.originalValue = sender.value
    sender.value = "";
    sender.className = "input active";
    sender.isActive = true;
}