function yenconv(frm){
	var tmp = frm.vin.value;

	if(!isNaN(tmp)){
		tmp = Math.round(380000-tmp)* (85-65)* 12;
		str1 = String(tmp);
		str2 = "";
		len = str1.length;
		j = 0;
		for(i = (len-1); i >= 0; i--){
			j++;
			z = str1.substr(i,1);
			str2 = z + str2;
			a = j;
			b = 3;
			while(a >= b){
				a -= b;
			}
			if(i != 0 && a == 0) str2 = "," + str2;
		}
		tmp = "\\" + str2;
	}else{
		tmp = "";
		alert("数値を入力して下さい");
	}
  
	frm.vout.value = tmp;
}