function LogOut(iurl)
{
    Ext.Ajax.request({
       url: iurl,
       isLoading:true,
       failure: function(){
            Ext.Msg.alert('Messsage','Cancel');
       },              
       success: function(response,options){
       
           var sSplit = response.responseText.split('$'); 
           var sXML = sSplit[0];
            
           if(sXML=="OK"){                             
              if (parent.location.href == self.location.href)
              {
                  window.location.href = '../logoff/logoff.aspx'
                  //window.location.href = '../../Default.aspx';
              }
           }   	
       }
    });
}