//add event handlers to the UpdatePanel

//Sys.WebForms.PageRequestManager.getInstance().add_beginRequest( startRequest );
//Sys.WebForms.PageRequestManager.getInstance().add_endRequest( endRequest );

function startRequest( sender, e ) {

//hide the price panel during the AJAX call
switch (e.get_postBackElement().id)
{
  case 'ctl00_btnDoLogin': 
   // document.getElementById('loginwaiting').style.display = 'inline';
   // document.getElementById('ctl00_btnDoLogin').disabled = true;
    break;
  case 'ctl00_btnLogout': 
   // document.getElementById('logoutwaiting').style.display = 'inline';
    break;
  case 'ctl00_Main_btnAdd': 
    document.getElementById('shopwaiting').style.display = 'inline';
    break;
  case 'ctl00_Main_btnCalc':
   // document.getElementById('cartwaiting').style.display = 'inline';
   // document.getElementById('shopwaiting').style.display = 'inline';
   // __doPostBack('ctl00_CartPanel', '');
    break;
  case 'ctl00_Main_ShoppingCart':
  //  document.getElementById('cartwaiting').style.display = 'inline';
  //  document.getElementById('shopwaiting').style.display = 'inline';
  //  __doPostBack('ctl00_CartPanel', '');
    break;
  default:
  //  document.getElementById('pricewaiting').style.display = 'inline';

}


}

function endRequest( sender, e ) {

//hide the price panel during the AJAX call
switch (e.get_postBackElement().id)
{
  case 'ctl00_btnDoLogin': 
  //  document.getElementById('loginwaiting').style.display = '';
  //  document.getElementById('ctl00_btnDoLogin').disabled = false;
    break;
  case 'ctl00_btnLogout': 
   // document.getElementById('logoutwaiting').style.display = '';
    break;
  case 'ctl00_Main_btnAdd': 
    document.getElementById('shopwaiting').style.display = '';
    break;
  case 'ctl00_Main_btnCalc':
  //  document.getElementById('cartwaiting').style.display = '';
  //  document.getElementById('shopwaiting').style.display = '';
   // __doPostBack('ctl00_CartPanel', '');
    break;
  case 'ctl00_Main_ShoppingCart':
 //   document.getElementById('cartwaiting').style.display = '';
  //  document.getElementById('shopwaiting').style.display = '';
  //  __doPostBack('ctl00_CartPanel', '');
    break;
  default:
// document.getElementById('pricewaiting').style.display = '';
  
    }

}