function calculating()
{
	var a = document.form.a.value;
	var b = document.form.b.value;
	var c = document.form.c.value;
	var d = document.form.d.value;
	var e = document.form.e.value;
	var f = document.form.f.value;
	var g = document.form.g.value;
	var h = document.form.h.value;
	var i = document.form.i.value;
	var j = document.form.j.value;
	
	a=Number(a);
	b=Number(b);
	c=Number(c);
	d=Number(d);
	e=Number(e);
	f=Number(f);
	g=Number(g);
	h=Number(h);
	i=Number(i);
	j=Number(j);
	
	var erg = a+b+c+d+e+f+g+h+i+j;
	erg = erg /10;
	erg=erg.toFixed(2);
	document.form.result.value=erg;
	
	//document.getElementById('out').firstChild.nodeValue =mmPreis;
}