function blockUIstart () {
	$.blockUI({ 
		overlayCSS: 
			{ backgroundColor: '#00f' },  css: {fontSize: '11px'}
		}
	); 
}
$().ready(function (){
	$('.click_wait a').click(function() { 
		blockUIstart();
	});
	$('form').bind('submit',function (){
		blockUIstart();
	});
	$('.nowait').unbind();
});