/*
version: 1.2
last modified: 02 Jun 2009
author: Mike Hyman
uses: (generated by slideshow_class.php)
ssDir
ssNumOfImgs
ssCurrentImg	(int)
ssImgs[]
*/
function ssSetImgSrc(slideId, slideFileName, dir)
{
	var img;
	img = document.getElementById(slideId);
	img.src = dir + '/' + slideFileName;
}
function ssSetLink(linkId, text, href)
{
	var lnk = document.getElementById(linkId);
	lnk.innerHTML = text;
	lnk.href = href;
}
function ssSetLinks(i)
{
	if (i > 1) { ssSetLink('ssPrevLink', '< prev', 'javascript: ssGetPrevious();'); }
	else { ssSetLink('ssPrevLink', ' ', ''); }
	
	if (i < ssNumOfImgs) { ssSetLink('ssNextLink', 'next&nbsp;&gt;', 'javascript: ssGetNext();'); }
	else { ssSetLink('ssNextLink', '&nbsp;', ''); }
}

function ssGetNext()
{
	var newImg = ssCurrentImg + 1;
	if (newImg >= 1 && newImg <= ssNumOfImgs) 
	{
		ssCurrentImg++;
		ssSetImgSrc('slide',ssImgs[ssCurrentImg-1],ssDir);
		ssSetLinks(ssCurrentImg);
	}
}

function ssGetPrevious()
{
	var newImg = ssCurrentImg - 1;
	if (newImg >= 1 && newImg <= ssNumOfImgs) 
	{
		ssCurrentImg--;
		ssSetImgSrc('slide',ssImgs[ssCurrentImg-1],ssDir);
		ssSetLinks(ssCurrentImg);
	}
}

function ssGetImg(i)
{
	ssSetImgSrc('slide',ssImgs[i-1],ssDir);
	ssSetLinks(i);
	ssCurrentImg = i;
}