<!--
// (C) 2003   Benn&ouml;hr   D 25791 Linden
function loesg(){
var at = document.xl1.k.value;
var bt = document.yl1.p.value;
var ct = document.al1.q.value;
var gt = document.xr1.k.value;
var ht = document.yr1.p.value;
var it = document.ar1.q.value;
var dt = document.xl2.k.value;
var et = document.yl2.p.value;
var ft = document.al2.q.value;
var jt = document.xr2.k.value;
var kt = document.yr2.p.value;
var lt = document.ar2.q.value;
var a=eval(at)-eval(gt);
var b=eval(bt)-eval(ht);
var c=eval(it)-eval(ct);
var d=eval(dt)-eval(jt);
var e=eval(et)-eval(kt);
var f=eval(lt)-eval(ft);
var n=a*e-b*d;
vz="";
if (b>=0) {vz="+";};
if ((n==0)&&(a*f==c*d)) {ltext="{(x|y) | "+a+"x"+vz+b+"y = "+c+"}";};
if ((n==0)&&(a*f!=c*d)) {ltext="{ }";};
if (n!=0) {x=(c*e-b*f)/n;y=(a*f-c*d)/n;ltext="{("+x+" | "+y+")}";};
document.loesung.loe.value=ltext;}
-->