$(document).ready(function(){
	$("ul.topnav li span").hover(function() { 
		$(this).parent().find("ul.subnav").slideDown(100).show();

		$(this).parent().hover(function() {
		}, function(){
			$(this).parent().find("ul.subnav").slideUp(100);
		});

		}).hover(function() {
			$(this).addClass("subhover");
		}, function(){
			$(this).removeClass("subhover");
	});

});

var myimages=new Array()
function preloadimages(){
for (i=0;i<preloadimages.arguments.length;i++){
myimages[i]=new Image()
myimages[i].src=preloadimages.arguments[i]
}
}


preloadimages("stockists_over.gif","reminder_over.gif","protection_over.gif","intestinal_over.gif","heartworm_over.gif","guarantee_over.gif","about_over.gif","nav_btn_over.gif")