$(document).ready(function() {
    Sys.Application.add_load(Setup);
});

function Setup(){
    $.blockUI.defaults = { 
        overlayCSS:  { backgroundColor: 'White', opacity: '0.85' } 
    };
    $(".Block").unblock(); 
    $(".SearchControls select").change(function(){        
        Block();
    });
    $(".Paging a").click(function(){
        Block();
    });    
    
}

function Block(){
    $(".Block").block("<img src='i/loading.gif' alt=''/>");
}