function mainmenu(){
$(" #nav ul ").css({display: "none"}); // Opera Fix
$(" #nav li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
		});
}

 
 
 $(document).ready(function(){			
		$("#home").hover(function(){
		    $(this).find("img").attr("src","/tribal//sites/all/themes/tribal/images/home_mo.jpg");
		}, function() {
			$(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/home.jpg");
		});
		
		$("#about").hover(function(){
		    $(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/aboutus_mo.jpg");
		}, function() {
			$(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/aboutus.jpg");
		});
		
		$("#product").hover(function(){
		    $(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/products_mo.jpg");
		}, function() {
			$(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/products.jpg");
		});
		
		$("#service").hover(function(){
		    $(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/services_mo.jpg");
		}, function() {
			$(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/services.jpg");
		});
		
		$("#contact").hover(function(){
		    $(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/contactus_mo.jpg");
		}, function() {
			$(this).find("img").attr("src","/tribal/sites/all/themes/tribal/images/contactus.jpg");
		});
	mainmenu();
});