function num_plus2(ths , danwee , jaego)
{
	var fnum = parseInt(ths.value);
	ths.value = fnum + parseInt(danwee);

	if (jaego != "No") {
		if (fnum > parseInt(jaego)-1)
		{
			alert('\nÀç°í¼ö·®À» ÃÊ°úÇÏ¿´½À´Ï´Ù.          \n');
			ths.value = jaego;
			return false;
		}
	}
}