// JavaScript Document

var countarray = new Array(0,0,0,0,0,0)

function displaynext(divnum)
{
var nextTabElem = document.getElementById('next'+divnum);
var prevTabElem = document.getElementById('prev'+divnum);
countarray[divnum]++;
curcount=countarray[divnum]
picname="pic"+divnum;	
document[picname].src = imagearray[divnum][curcount];
if (curcount==imagearray[divnum].length-1){
nextTabElem.className = "buttonhidden";}
prevTabElem.className = "buttonvisible";
return;
}

function displayprev(divnum)
{
var nextTabElem = document.getElementById('next'+divnum);
var prevTabElem = document.getElementById('prev'+divnum);
countarray[divnum]--;
curcount=countarray[divnum]
picname="pic"+divnum;	
document[picname].src = imagearray[divnum][curcount];
if (curcount==0){
prevTabElem.className = "buttonhidden";}
nextTabElem.className = "buttonvisible";
return;
}