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.loader
	background: none repeat scroll 0 0 #ffffff
	bottom: 0
	height: 100%
	left: 0
	position: fixed
	right: 0
	top: 0
	width: 100%
	z-index: 9999
.loader_inner
	background-image: url("../img/load.gif")
	background-repeat: no-repeat
	background-position: center center
	background-color: #fff
	height: 60px
	width: 60px
	margin-top: -30px
	margin-left: -30px
	left: 50%
	top: 50%
	position: absolute

$(window).load(function() { 
	$(".loader_inner").fadeOut(); 
	$(".loader").delay(400).fadeOut("slow"); 
});

<div class="loader">
		<div class="loader_inner"></div>
	</div>