function docalcw() {
tr=document.getElementById("trizeps").value;
baw=document.getElementById("bauchw").value;
hu=document.getElementById("huefte").value;
aw=document.getElementById("alterw").value;
ergw=1.0994921-0.0009929*(tr-(-baw)-(-hu))+0.0000023*Math.pow((tr-(-baw)-(-hu)) , 2)-0.0001392*aw;
faw=495/ergw-450;
faw*=10;
faw=Math.round(faw);
faw/=10;
document.getElementById("fettw").value=faw;
}
function docalcm() {
br=document.getElementById("brust").value;
...
