$.blockUI.defaults.css = {
	padding:        0, 
	margin:         0, 
	width:          '30%', 
	top:            '40%', 
	left:           '35%', 
	textAlign:      'center', 
	color:          '#FFFFFF', 
	border:         '', 
	backgroundColor:'', 
	cursor:         'wait' 
}; 
	
$.blockUI.defaults.overlayCSS = { 
	backgroundColor: '#999999',
	opacity:         0.5 
};