function Popin(obj, w, h, p)
{
	$('.divUso').html('');
	$(obj).css({'width':w+'px', 'height':h+'px'});
	$.blockUI(
	{
		message: $(obj),
		css:
		{
			padding:p,
			margin:0,
			width:w,
			height:h,
			centerX:true,
			centerY:true,
			textAlign:'left',
			color:'#000',
			border:'0px',
			backgroundColor:'#fff',
			cursor:'default'
		}
	});
	$('.blockOverlay').attr('title','Clique para fechar').click(PopinClose);
}
function PopinClose()
{
	$('.divUso').html('');
	$.unblockUI();
}