/*
 * Disable buttons on a page
*/
function DisableButtons()
{
    if (document.all || document.getElementById) 
    {
        for (i = 0; i < main.length; i++) 
        {
            var tempobj = main.elements[i];
            if (tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset"|| tempobj.type.toLowerCase() == "button")
            {
                tempobj.disabled = true;
            }
        }
     }
}