var scr_i=1
var movingleft = 'n'
var movingright = 'n'
var contwidth = 118

var visboxes = 2
var visresults = 6
var imagesperbox = 3
var movespeed = 6

// !!!! Move speed MUST be a factor of contwidth
var scroll_difference = 0
var maxboxes = 0
var totalimages = 0
var totalwidth = contwidth*visboxes
var rightshift = totalwidth + (contwidth * (maxboxes-visboxes-1))
var scr_j= maxboxes
var scr_kk = 1

var start = (scr_i*visresults)



function moveLeft() {
	


var start = (scr_i*visresults)
scroll_difference = 0;
scr_kk=1

if (scr_j== (maxboxes- visboxes))
{
movingright = 'y';
}

if ((scr_i == 1) && ((scr_j-scr_i) < visboxes))
{
movingright = 'y';
}

//moves all divs to the left
if (movingright != 'y')
 {
movingleft = 'y';
var boxArray = new Array()
while (scr_kk <= maxboxes)
{
boxArray[scr_kk] = document.getElementById("mb"+scr_kk)
scr_kk++
}
	if (parseInt(boxArray[scr_i].style.left) > -contwidth)
	{		
	scr_kkk = 1
	scroll_difference = (parseInt(boxArray[scr_i].style.left)  + contwidth)
	
		while (scr_kkk <= maxboxes)
		{
			if (movespeed > scroll_difference)
			{
			boxArray[scr_kkk].style.left=parseInt(boxArray[scr_kkk].style.left)-scroll_difference+"px"	
			}
			else
			{
			boxArray[scr_kkk].style.left=parseInt(boxArray[scr_kkk].style.left)-movespeed+"px"	
			}
		
		scr_kkk++

		}
	setTimeout("moveLeft()",30)
	}
	else
	{
	//move the left most box to the right
	boxArray[scr_i].style.left=rightshift+"px"
	scr_i++;
	if (scr_i > maxboxes)
	scr_i=1;
	if (scr_i == 1) {
	scr_j= maxboxes
	}
	else {
	scr_j= (scr_i-1)
	}
	
	refreshTotal();
	movingleft = 'n';
	return
	}
}
}

function refreshTotal() {

start = (((scr_i-1)*imagesperbox)+1);

	end = start+visresults-1;
	if (end > totalimages) {
	end = totalimages;
	}
	
	var realtotal = 59	
	if (realtotal >0)
	{
	document.getElementById("status").innerHTML = "Images "+start+"-"+end+" of "+totalimages+"";
	}
	else {
	document.getElementById("status").innerHTML = "Sorry, no results found.";
	}
}

function moveRight() {
scroll_difference = 0;
//moves all divs to the left

if (((scr_i == 1) && ((scr_j-i) <= visboxes)) || (scr_i == 1))
{
movingleft = 'y';
}

if (movingleft!= 'y') 
{
scr_kk=1
movingright = 'y';
var boxArray = new Array()

while (scr_kk <= maxboxes)
{
boxArray[scr_kk] =  document.getElementById("mb"+scr_kk)
scr_kk++
}


	if ( parseInt(boxArray[scr_j].style.left)>= contwidth )
	{
	boxArray[scr_j].style.left= -contwidth+"px"
	}
	if (parseInt(boxArray[scr_j].style.left)< 0 ) {
	
	scr_kkk=1

	scroll_difference = (parseInt(boxArray[scr_i].style.left)  - contwidth)
	
		while (scr_kkk <= maxboxes)
		{
			if (movespeed < scroll_difference)
			{
			boxArray[scr_kkk].style.left=parseInt(boxArray[scr_kkk].style.left)+scroll_difference+"px"	
			}
			else
			{
			boxArray[scr_kkk].style.left=parseInt(boxArray[scr_kkk].style.left)+movespeed+"px"	
			}
		scr_kkk++
		}
	setTimeout("moveRight()",30)
	
	}
	else
	{
	//move the right most box to the left
	//boxArray[maxboxes-i+1].style.left=-contwidth+"px"
	if (scr_i == 1)
	scr_i=maxboxes
	else
	scr_i--
	
	if (scr_i == 1) {
	scr_j= maxboxes
	}
	else {
	scr_j= (scr_i-1)
	}
	document.getElementById("status").innerHTML = " scr_i = "+scr_i+" scr_j = "+scr_j;
	movingright = 'n';
	refreshTotal();
	return
	}
}
}

function swapTab(thediv) {
	document.body.style.cursor = 'pointer';
	document.getElementById(thediv).style.backgroundImage = 'url("img/portfolio/tabs/projcatSel.gif")';
}

function restoreTab(thediv) {
document.body.style.cursor = 'default';
	document.getElementById(thediv).style.backgroundImage = 'url("img/portfolio/tabs/projcatOff.gif")';
}

function gotoURL(thelocation) {
window.location=thelocation;
}