function DisableButton(buttonID) {
 if(!Page_ClientValidate()) return false;
        window.setTimeout("disableButton('" + 
        buttonID + "')", 0);
                  
}

function DisableButton2(buttonID) {
        window.setTimeout("disableButton('" + 
        buttonID + "')", 0);
                  
}

function disableButton(buttonID) 
{
   document.getElementById(buttonID).value = "Please wait...";
    document.getElementById(buttonID).disabled=true;
}
function DisableLinkButton(buttonID, buttonName, vlGroup) {
    if (!Page_ClientValidate()) return false;
    window.setTimeout("disableLinkButton('" +
        buttonID + "','" + buttonName + "','" + vlGroup + "')", 0);

}
function disableLinkButton(buttonID, buttonName, vlGroup) {
    var ctrl = document.getElementById(buttonID);
    ctrl.removeAttribute('href');
    ctrl.style.color = "gray";
    ctrl.innerHTML = "Please wait...";
}