// http://www.wowwiki.com/Arena_Point
function pointstorating(){
var points = document.formcalc.ap.value;
var prefix = document.formcalc.XonX.value;
var precalc = Math.ceil(Math.log((1511.26/(1639.28*points / prefix))-(1/1639.28)) / (-0.00412));
if (precalc <= 1500 ){result = Math.ceil(((points / prefix) - 14)/0.22);}
else{result = precalc;}
return result;
}

function ratingtopoints(){
var rating = document.formcalc.ac.value;
var prefix = document.formcalc.XonX.value;
if (rating >1500) {precalc = Math.ceil((1511.26/(1+1639.28*Math.pow(Math.E, (-0.00412*rating))))*prefix);
if(precalc < 0){result = 0;}
else{result = precalc}; rate = 0;}
else {precalc = Math.ceil((0.22*rating+14)*prefix);
if(precalc < 0){result = 0;}
else{result = precalc}; rate = 0;}
return result;
}