function showPic (whichpic) { 
	if (document.getElementById) {
	var y=document.getElementById("image").getElementsByTagName("img")[0]; 
	var z=document.getElementById("nav5").getElementsByTagName("a");
	y.src=  whichpic.href;
	for(i=0;i<=z.length-3;i++)
	{
	z[i].className='otherimage'
	}
	whichpic.className='selected';
		return false;
	} else { 
		return true; 
	} 
}


function setLinks() {
if (document.getElementById) { 
var z=document.getElementById("nav5").getElementsByTagName("a")
for(i=0;i<=(z.length-2);i++)
z[i].onclick=function() {return showPic(this);}
z[z.length-1].onclick=function() {return forwardArrow();}
z[z.length-2].onclick=function() {return backwardArrow();}
	} 
	}
	
function forwardArrow(){
if (document.getElementById) { 
var y=document.getElementById("image").getElementsByTagName("img")[0];
var z=document.getElementById("nav5").getElementsByTagName("a");
for(i=0;i<=z.length-3;i++) {
if ((z[i].href==y.src)&&(i<=z.length-4)) {
	y.src = z[i+1].href;
	z[i+1].className='selected'
	z[i].className='otherimage'
	return false;
}
}
}
else return true;
}

function backwardArrow(){
if (document.getElementById) { 
var y=document.getElementById("image").getElementsByTagName("img")[0];
var z=document.getElementById("nav5").getElementsByTagName("a");
for(i=0;i<=z.length-3;i++) {
if ((z[i].href==y.src)&&(i!=0)) {
	y.src = z[i-1].href;
	z[i-1].className='selected'
	z[i].className='otherimage'
	return false;
}
}
}
else return true;
}

window.onload=setLinks