java orçamento mensal 
<script type="text/javascript">
function soma_total (numero, caixa) {
	if (isNaN(numero)) {
		parent.document.getElementById('sum' + caixa).value="";
	}
	
	var tot_final=0;
	var id_cats=parent.document.getElementById('id_cats').value;
	var id_cats2=id_cats.split("*");
	for(i = 0; i < id_cats2.length; i++){
		if (id_cats2[i]!="") {
			var valor=Number(parent.document.getElementById('sum' + id_cats2[i]).value);
			tot_final=tot_final+valor;
		}
	}
	parent.document.getElementById('feed_tot').innerHTML = "€ " + moneyConvert(tot_final);
}

function moneyConvert(value){
	var buf = "";
	var sBuf = "";
	var j = 0;
	value = String(value);

	if (value.indexOf(".") > 0) {
		buf = value.substring(0, value.indexOf("."));
	} else {
		buf = value;
	}
	if (buf.length%3!=0&&(buf.length/3-1) > 0) {
		sBuf = buf.substring(0, buf.length%3) + ",";
		buf = buf.substring(buf.length%3);
	}
	j = buf.length;
	for (var i = 0; i <(j/3-1); i++) {
		sBuf = sBuf+buf.substring(0, 3) + ",";
		buf = buf.substring(3);
	}
	sBuf = sBuf+buf;
	if (value.indexOf(".") > 0) {
		value = sBuf + value.substring(value.indexOf("."));}
	else {
		value = sBuf;
	}
	return value;
}

</script>