function showpic(src, w, h, alt, aln, pw, ph, bw, bh) {
if (src == null) return;

var iw, ih; // Set inner width and height

if (window.innerWidth == null) {
	iw = document.body.clientWidth;
	ih = document.body.clientHeight;
}
else {
	iw = window.innerWidth;
	ih = window.innerHeight;
}

if (w == null) w = iw;
if (h == null) h = ih;
if (alt == null) alt = "Bild";
if (aln == null) aln = "middle";
if (pw == null) pw = 100;
if (ph == null) ph = 100;
if (bw == null) bw = 24;
if (bh == null) bh = 24;
var sw = Math.round((iw - bw) * pw / 100);
var sh = Math.round((ih - bh) * ph / 100);
if ((w * sh) / (h * sw) < 1) sw = Math.round(w * sh / h);
else sh = Math.round(h * sw / w);
document.write('<img src="'+src+'" alt="'+alt+'" width="'+sw+'" height="'+sh+'" align="'+aln+'">');
}