function round(places,num){var y=0;var x=1;
x *=Math.pow(10,places);
y= num*x;
z= y % 1;
if( z >=.5){y+=1};
y-=z;
y/=x;
return y};

function show(a){aWindow=window.open(a,"")};

function density(f){var i=0; var z=0;f.sd.value=round(3, (f.grains.value)/((f.dia.value/2)*(f.dia.value/2)*3.141597*8918.09688));while(!f.shape[i].checked){i+=1};f.bc.value=round(3,f.sd.value*f.shape[i].value)};

function check1(f){if(f.dia.value >= 1){;f.sd.value="Try";f.bc.value="Again";alert("Please enter a bullet diameter less than 1.")} else{
if(f.grains.value<10){;f.sd.value="Try";f.bc.value="Again";alert("Please enter a bullet weight greater than 10 grains")}
else{density(f);parent.bal.document.bform.bc.value=f.bc.value;parent.bal.document.bform.weight.value=f.grains.value};};};