i1= new Image(180,43); 
i1.src="images/menu/about-on.gif"; 
i2= new Image(180,43); 
i2.src="images/menu/fly-fishing-on.gif"; 
i3= new Image(180,43); 
i3.src="images/menu/restaurant-on.gif"; 
i4= new Image(180,43); 
i4.src="images/menu/farm-shop-on.gif";