function sumout(l, rate){
 document.forms[l].si.value = Math.ceil(document.forms[l].so.value * rate * 100) / 100;
}

function sumin(l, rate){
 document.forms[l].so.value = Math.floor(document.forms[l].si.value * rate * 100) / 100;
}

function sumgo(l, rate, max){
 if (document.forms[l].so.value > max ) {
   alert ('The sum is too great!');
   document.forms[l].so.value = max;
   document.forms[l].si.value = Math.floor(document.forms[l].so.value * rate * 100) / 100;
   return false;
 } else {
   document.forms[l].submit();
 }
}

function addCombats() { window.external.addFavorite('http://combats.obmendeneg.com/', 'Купить ECR') }
function addObmen() { window.external.addFavorite('http://www.obmendeneg.com/', 'Обмен денег') }