// header nav preload & rollover functions

$.preload( [ 'about', 'contact', 'resources', 'sensory', 'software' ], {
		base:'/img/nav_',
		ext:'-hover.jpg'
	});


$(function() {
	$("#mainmenu img").hover(function() {
			$(this).attr("src", $(this).attr("src").split(".").join("-hover."));
			}, function() {
			$(this).attr("src", $(this).attr("src").split("-hover.").join("."));
	});
	if(navSelected != '') {
		$(navSelected).unbind();
		$(navSelected).attr("src", $(navSelected).attr("src").split(".").join("-hover."));
	}
});

$(function() {
		  // alert$(subnavSelected)
	if(subnavSelected != '') {
		$(subnavSelected).addClass("selected");
	}
});