inav1=new Image()
	inav1.src="/images/nav1.jpg"
	inav2=new Image()
	inav2.src="/images/nav2.jpg"
	inav3=new Image()
	inav3.src="/images/nav3.jpg"
	inav4=new Image()
	inav4.src="/images/nav4.jpg"
	inav5=new Image()
	inav5.src="/images/nav5.jpg"
	inav1d=new Image()
	inav1d.src="/images/nav1d.jpg"
	inav2d=new Image()
	inav2d.src="/images/nav2d.jpg"
	inav3d=new Image()
	inav3d.src="/images/nav3d.jpg"
	inav4d=new Image()
	inav4d.src="/images/nav4d.jpg"
	inav5d=new Image()
	inav5d.src="/images/nav5d.jpg"
	function changeimage(astr,numa)
	{
		switch(numa)
		{
			case 1:
			document.getElementById(astr).src=inav1d.src
			break
			case 3:
			document.getElementById(astr).src=inav2d.src
			break
			case 5:
			document.getElementById(astr).src=inav3d.src
			break
			case 7:
			document.getElementById(astr).src=inav4d.src
			break
			case 9:
			document.getElementById(astr).src=inav5d.src
			break
		}
	}
	function closeimage(bstr,numb)
	{
		switch(numb)
		{
			case 2:
			document.images[bstr].src=inav1.src
			break
			case 4:
			document.images[bstr].src=inav2.src
			break
			case 6:
			document.images[bstr].src=inav3.src
			break
			case 8:
			document.images[bstr].src=inav4.src
			break
			case 10:
			document.images[bstr].src=inav5.src
			break
		}
	}