imageLoader.js

$(function() {
	
	$.fn.imagesLoaded = function(callback){
	  var elems = this.filter('img'),
	      len   = elems.length;

	  elems.bind('load',function(){
	      if (--len <= 0){ callback.call(elems,this); }
	  }).each(function(){
	     // cached images don't fire load sometimes, so we reset src.
	     if (this.complete || this.complete === undefined){
	        var src = this.src;
	        // webkit hack from http://groups.google.com/group/jquery-dev/browse_thread/thread/eee6ab7b2da50e1f
	        // data uri bypasses webkit log warning (thx doug jones)
	        this.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
	        this.src = src;
	     }  
	  }); 

	  return this;
	};

	$('#image').hide();
	$('#loader').show();
	$('#image').imagesLoaded(function(){
		$(this).show();
		$('#loader').hide();
	});
	
});