Bloc Ui code

design

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div.blockOverlay {
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)"; 
    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=50); 
    -moz-opacity:.70;
    opacity:.70;
    background-color: #FFFFFF;
}

 $.blockUI.defaults.overlayCSS = {};
        $.blockUI({
            message: "<img src='images/loading.gif' />",
            css: { border: '0px ',
                backgroundColor: 'Transparent',
                '-webkit-border-radius': '10px',
                '-moz-border-radius': '10px',
                opacity: .5,
                color: '#fff'
            }
        });


                $.unblockUI();


<script src="Scripts/jquery.blockUI.js" type="text/javascript"></script>