function change_image(n, s1, s2) 
{
var id_obr = 'movie_id'+n;
var obr;
var d = document;
var text = 'cover_'+n;
if(document.images[id_obr].src == s1)
	{
	obr=s2;
	d.getElementById(text).innerHTML = 'Front Cover';
	}
else
	{
	obr=s1;
	d.getElementById(text).innerHTML = 'Back Cover';
	}
document.images[id_obr].src=obr;
}

function setZIndex(id, z_index) {
	document.getElementById(id).style.zIndex = z_index;
}

function mo(o){o.className=='stateoff'?o.className='stateon': o.className=o.className; }
function mx(o){o.className=='stateon'?o.className='stateoff': o.className=o.className; }
function mo2(o){o.className=='stateoff2'?o.className='stateon2': o.className=o.className; }
function mx2(o){o.className=='stateon2'?o.className='stateoff2': o.className=o.className; }