function validateProviderLookUp()
{
	var err="";
	if (ValidatorTrim(document.frmProviderLookUp.clsproviderlookup_npa.value)=="") err+="First Three digits are required  \n";
	if (ValidatorTrim(document.frmProviderLookUp.clsproviderlookup_nxx.value)=="") err+="Next Three digits are required ";
	if (err!="")
	 {
		alert(err);
		//return false;
	 }
	else
	{
		document.frmProviderLookUp.clsproviderlookup_hdn_action.value="1";
		document.frmProviderLookUp.submit();
	}	
}