function input_default_text(XdomID,XText,XAction)
{
    if(XAction == 'focus')
    {
        if(XdomID.value == XText)
        {
            XdomID.value = '';
        }
    }
    if((XAction == 'blur') || (XAction == 'load'))
    {
        if(XdomID.value == '')
        {
            XdomID.value = XText;
        }
    }
}