Code:
function on(){
disableForms({one: 'calculator', two: 'calculator'});
};
function disableForms(exceptions){
var numberForms = document.forms.length, formIndex = 0, x, n;
for (formIndex; formIndex < numberForms; ++formIndex){
for (x = 0; x < document.forms[formIndex].elements.length; ++x){
n = document.forms[formIndex].elements[x].name;
if (exceptions[n] && exceptions[n] === document.forms[formIndex].name){
document.forms[formIndex].elements[x].disabled = false;
}
else {
document.forms[formIndex].elements[x].disabled = true;
}
}
}
};
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