$(document).ready(function(){
	jQuery.preloadimages = function() {
		for(var i = 0; i<arguments.length; i++) {
			jQuery("<img>").attr("src", arguments[i]);
		}
	}
	
	$.preloadimages("images/nav_home_over.gif", "images/nav_behind_over.gif",
					"images/nav_supplemental_over.gif", "images/nav_helpful_over.gif",
					"images/nav_navigating_over.gif", "images/nav_contact_over.gif", "images/mindy-2-color.gif",
					"images/mindy-3-color.gif", "images/mindy-4-color.gif", "images/mindy-5-color.gif");

	$('#home').hover(function() {
		$(this).attr("src","images/nav_home_over.gif");
			}, function() {
		$(this).attr("src","images/nav_home.gif");
	});
	
	$('#behind').hover(function() {
		$(this).attr("src","images/nav_behind_over.gif");
			}, function() {
		$(this).attr("src","images/nav_behind.gif");
	});
	
	$('#supplemental').hover(function() {
		$(this).attr("src","images/nav_supplemental_over.gif");
			}, function() {
		$(this).attr("src","images/nav_supplemental.gif");
	});
	
	$('#navigating').hover(function() {
		$(this).attr("src","images/nav_navigating_over.gif");
			}, function() {
		$(this).attr("src","images/nav_navigating.gif");
	});

	$('#helpful').hover(function() {
		$(this).attr("src","images/nav_helpful_over.gif");
			}, function() {
		$(this).attr("src","images/nav_helpful.gif");
	});
	
	$('#contact').hover(function() {
		$(this).attr("src","images/nav_contact_over.gif");
			}, function() {
		$(this).attr("src","images/nav_contact.gif");
	});
	
	$('#mindy-2').hover(function() {
		$(this).attr("src","images/mindy-2-color.gif");
			}, function() {
		$(this).attr("src","images/mindy-2.gif");
	});
	
	$('#mindy-3').hover(function() {
		$(this).attr("src","images/mindy-3-color.gif");
			}, function() {
		$(this).attr("src","images/mindy-3.gif");
	});
	
	$('#mindy-4').hover(function() {
		$(this).attr("src","images/mindy-4-color.gif");
			}, function() {
		$(this).attr("src","images/mindy-4.gif");
	});
	
	$('#mindy-5').hover(function() {
		$(this).attr("src","images/mindy-5-color.gif");
			}, function() {
		$(this).attr("src","images/mindy-5.gif");
	});
});