function frm_chk(){
	if(document.frm.nm.value == ""){
			alert("Please Enter User Name.");
			document.frm.nm.focus();
			return false;
		}
	else if(document.frm.pw.value==""){
			alert("Please Enter Password.");
			document.frm.pw.focus();
			return false;
		}
	else
	{
	return true;
	}
}