(function($){
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) {
      var cacheImage = document.createElement('img');
      cacheImage.src = arguments[i];
      cache.push(cacheImage);
    }
  }
})(jQuery);
//jQuery.preLoadImages("image1.gif", "/path/to/image2.png");

$(function(){
	// checkbox and radio buttons
	//$('input').customInput();

	// add class "disabled" to submit buttons
	$('input.submit').click(function(){
		$(this).addClass('disabled').attr('readonly', 'readonly');
	});

	// tooltips
	$("acronym, input, div, a, img, span").tooltip({
		fade: 300,
		top:0,
		left:30,
		delay:0,
		showURL:false
	});
});