var loc=1;
var len=1;
var dra=1;
function updateType(location) {
if (location.value=="1") {
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form2.innerHTML=HTMLstr;
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form3.innerHTML=HTMLstr;
loc=1;
len=1;
dra=1;
}
if (location.value=="2") {
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form3.innerHTML=HTMLstr;
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form2.innerHTML=HTMLstr;
loc=2;
len=5;
dra=1;
}
updateLoc();
}
function updateLength(length) {
if (length.value=="1") {
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form2.innerHTML=HTMLstr;
}
len=1;
dra=1;
if (length.value=="2") {
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form2.innerHTML=HTMLstr;
len=2;
dra=1;
}
if (length.value=="3") {
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form2.innerHTML=HTMLstr;
len=3;
dra=1;
}
if (length.value=="4") {
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form2.innerHTML=HTMLstr;
len=4;
dra=1;
}
if (length.value=="5") {
HTMLstr =" LOA:
\n";
HTMLstr +=" Draught:
\n";
form3.innerHTML=HTMLstr;
len=5;
dra=1;
}
updateLoc();
}
function updateDraught(length) {
if (length.value=="1") {
dra=1;
}
if (length.value=="2") {
dra=2;
}
if (length.value=="3") {
dra=3;
}
updateLoc();
}
function updateLoc() {
if (loc==1 && len==1 && dra==1) {
updateDistrictForm(0);
}
if (loc==1 && len==1 && dra==2) {
updateDistrictForm(1);
}
if (loc==1 && len==2 && dra==1) {
updateDistrictForm(5);
}
if (loc==1 && len==2 && dra==3) {
updateDistrictForm(3);
}
if (loc==1 && len==3 && dra==1) {
updateDistrictForm(2);
}
if (loc==1 && len==4 && dra==1) {
updateDistrictForm(6);
}
if (loc==2 && len==5 && dra==1) {
updateDistrictForm(4);
}
if (loc==2 && len==5 && dra==2) {
updateDistrictForm(7);
}
}