<!--
//created by Joseph Roland
//www.cytographica.com
function weight(form)
{
var fw = form.fw.value;
var cunit = form.cunit.value;
var tunit = form.tunit.value;
var conc = (form.conc.value)/cunit;
var vunit = form.vunit.value;
var vol = (form.vol.value)/vunit;
var grams = ((fw)*(conc))*(vol)*(tunit);
form.grams.value = Math.round(100000.000*(grams))/100000.000;
}
// JavaScript Document