function loader(selector){
	b = $(selector);
	$('#pager-loader-modal')
		.css({
			'width':'0px',
			'height':'0px',
			'display':'block',
			'z-index':'300',
			'opacity': '0.5'
		})
		.position({
			of:b,
			my:'left top',
			at:'left top'
		})
		.css({
			'width':b.width(), 
			'height':b.height(),
		});
	var w = 32;
	var h = 32;
	$('#pager-loader').css({
		'width':w,
		'height':h,
		'top':(b.height()/2)-(h/2),
		'left':(b.width()/2)-(w/2)
	});
}
			
function loaderHide(){
	$('#pager-loader-modal').hide();
}