JQuery Page Preload

// SASS 
.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/loader.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

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