jQuery.preloadImages = function()
{
	for(var i = 0; i<arguments.length; i++)
	{
		jQuery("<img>").attr("src", arguments[i]);
	}
	
}

// preload images first (can run before page is fully loaded)
$.preloadImages(
	"/JPGS/Tabs/nav_about_off.png","/JPGS/Tabs/nav_about_on.png",
	"/JPGS/Tabs/nav_coaches_off.png","/JPGS/Tabs/nav_coaches_on.png",
	"/JPGS/Tabs/nav_contact_off.png","/JPGS/Tabs/nav_contact_on.png",
	"/JPGS/Tabs/nav_daniels_off.png","/JPGS/Tabs/nav_daniels_on.png",
	"/JPGS/Tabs/nav_news_off.png","/JPGS/Tabs/nav_news_on.png",
	"/JPGS/Tabs/nav_ourproject_off.png","/JPGS/Tabs/nav_ourproject_on.png",
	"/JPGS/Tabs/nav_profile_off.png","/JPGS/Tabs/nav_profile_on.png",
	"/JPGS/Tabs/nav_resources_off.png","/JPGS/Tabs/nav_resources_on.png",
	"/JPGS/Tabs/nav_signup_off.png","/JPGS/Tabs/nav_signup_on.png",
	"/JPGS/Tabs/nav_training_off.png","/JPGS/Tabs/nav_training_on.png",
	"/JPGS/Tabs/nav_retreat_off.png","/JPGS/Tabs/nav_retreat_on.png"
);


$(
	function()
	{
		// set up rollover
		$("img.rollover").hover(
			function()
			{
				this.src = this.src.replace("_off","_on");
			},
			function()
			{
				this.src = this.src.replace("_on","_off");
			}
		);
	}
)