window.addEvent('domready', function() {

	var		prevbutton		=	$('prevbutton');
	var		nextbutton		=	$('nextbutton');

	if( prevbutton )	{
		prevbutton.addEvent('mouseover', function()	{ roi( 'prevbutton','prevbutton-hi.gif')});	
		prevbutton.addEvent('mouseout', function()	{ roi( 'prevbutton','prevbutton.gif')});	
		prevbutton.addEvent('click', function()	{ previmage() });	
	}
	
	if( nextbutton )	{
		nextbutton.addEvent('mouseover', function()	{ roi( 'nextbutton','nextbutton-hi.gif')});	
		nextbutton.addEvent('mouseout', function()	{ roi('nextbutton','nextbutton.gif')});	
		nextbutton.addEvent('click', function()	{ nextimage() });	
	}
});


function	roi(iid, fn)	{	$(iid).src='/resources/images/'+fn; }
function	nextimage()		{	document.location	=	"/artist/showimage(" + nextiid + ')';}
function	previmage()		{	document.location	=	"/artist/showimage(" + previid + ')';}