// from: http://clagnut.com/sandbox/imagefades/
function ankSetOpacity(obj, opacity) {
	// IE/Win
	obj.style.filter = 'alpha(opacity:'+(opacity*100)+')';
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity;
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity;
}

function ank_mover(obj) {
//	obj.style.background = '#8DDD8A';
	ankSetOpacity(obj, 0.5);
}

function ank_mout(obj) {
//	obj.style.background = '';
	ankSetOpacity(obj, 1);
}

function ank_checkhim(sa_id,st_id,chk_id) {
	var a;
	for (a=sa_id;a<=st_id;++a) {
		document.getElementById('ank_chk'+a).checked=(a==chk_id);
	}
}