// swaps the mouseovers for the navigation bar
function swap(n)
	{
		if(n == 0)
		{
			document.images.nav_instr.src = "graphics/nav_instr.gif";
			document.images.red.src = "graphics/redsmallnav.gif";
			document.images.yellow.src = "graphics/yellowsmallnav.gif";
			document.images.orange.src = "graphics/orangesmallnav.gif";
			document.images.blue.src = "graphics/bluesmallnav.gif";
			document.images.green.src = "graphics/greensmallnav.gif";
			document.images.indigo.src = "graphics/indigosmallnav.gif";
			document.images.violet.src = "graphics/violetsmallnav.gif";
			document.images.circle.src = "graphics/circlesmallnav.gif";
			document.images.arrow_up.src = "graphics/arrow_up.gif";
		}	
			if(n == 1)
			{
				document.images.nav_instr.src = "graphics/home_nav.gif";
				document.images.circle.src = "graphics/circlesmallmove.gif";
			}	
			if(n == 2)
			{
				document.images.nav_instr.src = "graphics/mission_nav.gif"; 
				document.images.red.src = "graphics/redsmallmove.gif";
			}	
			if(n == 3)
			{
				document.images.nav_instr.src = "graphics/workshops_nav.gif";
				document.images.orange.src = "graphics/orangesmallmove.gif";
			}	
			if(n == 4)
			{
				document.images.nav_instr.src = "graphics/music_nav.gif";
				document.images.yellow.src = "graphics/yellowsmallmove.gif";
			}
			if(n == 5)
			{
				document.images.nav_instr.src = "graphics/testimonials_nav.gif";
				document.images.green.src = "graphics/greensmallmove.gif";
			}	
			if(n == 6)
			{
				document.images.nav_instr.src = "graphics/photos_nav.gif";
				document.images.blue.src = "graphics/bluesmallmove.gif";
			}	
			if(n == 7)
			{
				document.images.nav_instr.src = "graphics/resources_nav.gif";
				document.images.indigo.src = "graphics/indigosmallmove.gif";
			}	
			if(n == 8)
			{
				document.images.nav_instr.src = "graphics/about_nav.gif";
				document.images.violet.src = "graphics/violetsmallmove.gif";
			}	
			if(n == 9)
			{
				document.images.nav_instr.src = "graphics/top_nav.gif";
				document.images.arrow_up.src = "graphics/arrow_upmove.gif";
			}	
		}