function isval(obj,fldname)
{
	if(obj.value=="" || obj.value.split(" ").join("") == "" )
	{
		alert("[ " + fldname + " ] Ç׸ñÀ» ÀÔ·ÂÇØÁֽʽÿä.");
		obj.focus();
		return false;
	}else
	{
		return true;
	}	
}