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;
}