//====================================================================
//define global
var btot = 5;
var iliab = 100;
var iodds = new Array(btot);
var oback = new Array(btot);
var ostak = new Array(btot);
var opayo = new Array(btot);
var oprof = new Array(btot);
var icomm = new Array(btot);
var onetp = new Array(btot);

//====================================================================
function init() {
set();
chg();
}

//====================================================================
function set() {
for (i = 0; i < btot; i++){
document.inp.back[i].style.background="#FFEECC";
document.inp.stak[i].style.background="#FFEECC";
document.inp.payo[i].style.background="#FFEECC";
document.inp.prof[i].style.background="#FFEECC";
document.inp.netp[i].style.background="#FFEECC";
}
document.inp.liab.value = 100;
document.inp.comm[0].value = 4;
document.inp.comm[1].value = 5;
document.inp.comm[2].value = 5;
document.inp.comm[3].value = 5;
document.inp.comm[4].value = 5;
document.inp.odds[0].focus();
}
//====================================================================
function chg() {

//get variable values
iliab=document.inp.liab.value;
for (i = 0; i < btot; i++){
iodds[i]=fmtNum(document.inp.odds[i].value);
icomm[i]=fmtNum(document.inp.comm[i].value);
//document.inp.stak[i].style.background="#FFEECC";
//document.inp.payo[i].style.background="#FFEECC";
//document.inp.prof[i].style.background="#FFEECC";
//document.inp.netp[i].style.background="#FFEECC";
//oback[i]=document.inp.back[i].value;
//ostak[i]=document.inp.stak[i].value;
//opayo[i]=document.inp.payo[i].value;
//oprof[i]=document.inp.prof[i].value;
//onetp[i]=document.inp.netp[i].value;
oback[i]='';
ostak[i]='';
opayo[i]='';
oprof[i]='';
onetp[i]='';
}
// default stake
if (iliab=='' || iliab==0.00) {
iliab=100;
}

// calc lines
for (i = 0; i < btot; i++) {
if (iodds[i]!='' && iodds[i]!='0.00') {
// back
if (i==0) {
oback[i]=iodds[i];
opayo[i]=iliab;
ostak[i]=iliab;
oprof[i]=(iliab*oback[i])-iliab;
if (icomm[i]=='' || icomm[i]==0.00) {
icomm[i]=4;
}
}
// lay
if (i>0) {
oback[i]=(1/iodds[i])+1;
opayo[i]=iliab;
ostak[i]=opayo[i]/iodds[i];
oprof[i]=ostak[i];
if (icomm[i]=='' || icomm[i]==0.00) {
icomm[i]=5;
}
}
onetp[i]=((oprof[i]*(100-icomm[i]))/100);
}
}

//set variable values
document.inp.liab.value=fmtNum(iliab);
for (i = 0; i < btot; i++) {
//if (iodds[i]!='' && iodds[i]!='0.00') {
document.inp.odds[i].value=fmtNum(iodds[i]);
document.inp.back[i].value=fmtNum(oback[i]);
document.inp.stak[i].value=fmtNum(ostak[i]);
document.inp.payo[i].value=fmtNum(opayo[i]);
document.inp.prof[i].value=fmtNum(oprof[i]);
document.inp.comm[i].value=fmtNum(icomm[i]);
document.inp.netp[i].value=fmtNum(onetp[i]);
//}
}

}
//====================================================================