function compute(form)
{
var mmc=0
var m=0

massc=(eval(form.ci.value)*12.01)
massh=(eval(form.hi.value)*1.008)
masso=(eval(form.oi.value)*16)
massn=(eval(form.ni.value)*14.01)

form.mmc.value=""+massc+"+"+massh+"+"+masso+"+"+massn+""
form.mm.value=((form.ci.value)*12.01)+((form.hi.value)*1.008)+((form.oi.value)*16)+((form.ni.value)*14.01)


}
function clearForm(form)
{
form.ci.value="0"
form.hi.value="0"
form.oi.value="0"
form.ni.value="0"
form.mm.value="0"
form.mmc.value="0"
}