function ServiceSelector(vSpecialty, oServiceSelect){
for (i = 0; oServiceSelect.options[0]; i++){
			oServiceSelect.options.remove(0);			
		}
	if (vSpecialty == 'A & E CLINIC'){ 

		myoption = Option('A&E SERVICES','A&E SERVICES');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'ANAESTHESIA'){

		myoption = Option('LOCAL ANESTHESIA','LOCAL ANESTHESIA');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'CARDIOVASCULAR SURGERY'){

		myoption = Option('CARDIAC  CATH  LABORATORY','CARDIAC  CATH  LABORATORY');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('CARDIAC SURGERY','CARDIAC SURGERY');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('NON-INVASIVE','NON-INVASIVE');
		oServiceSelect.options[2] = myoption;		

	}

	else if (vSpecialty == 'DENTAL'){

		myoption = Option('PEDODONTICS','PEDODONTICS');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('PREVENTIVE','PREVENTIVE');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('SECTION - A. RESTORATIVE / ENDODONTICS','SECTION - A. RESTORATIVE / ENDODONTICS');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('SECTION - B. PROSTHETICS / CROWN & BRIDGE','SECTION - B. PROSTHETICS / CROWN & BRIDGE');
		oServiceSelect.options[3] = myoption;		

		myoption = Option('SECTION - C. ORAL SURGERY MAXILLOFACIAL SURGERY','SECTION - C. ORAL SURGERY MAXILLOFACIAL SURGERY');
		oServiceSelect.options[4] = myoption;		

		myoption = Option('SECTION - D. PERIODONTICS / ORTHODONTICS','SECTION - D. PERIODONTICS / ORTHODONTICS');
		oServiceSelect.options[5] = myoption;		

	}

	else if (vSpecialty == 'E.N.T.'){

		myoption = Option('DELIVERY','DELIVERY');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('ENT SECTION - MAJOR PROCEDURES','ENT SECTION - MAJOR PROCEDURES');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('ENT SECTION - MINOR PROCEDURES','ENT SECTION - MINOR PROCEDURES');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('ENT SECTION - MODERATE PROCEDURES','ENT SECTION - MODERATE PROCEDURES');
		oServiceSelect.options[3] = myoption;		

	}

	else if (vSpecialty == 'GASTROENTEROLOGY'){

		myoption = Option('ENDOSCOPY','ENDOSCOPY');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'GENERAL'){

		myoption = Option('Attendant Meals','Attendant Meals');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('BED CHARGES','BED CHARGES');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('CONSULTATION','CONSULTATION');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('CONSULTATION FEES (OPD)','CONSULTATION FEES (OPD)');
		oServiceSelect.options[3] = myoption;		

		myoption = Option('HAEMODIALYSIS PER SESSION','HAEMODIALYSIS PER SESSION');
		oServiceSelect.options[4] = myoption;		

		myoption = Option('PROCEDURES','PROCEDURES');
		oServiceSelect.options[5] = myoption;		

		myoption = Option('VISITING CONSULTANTS SERVICES','VISITING CONSULTANTS SERVICES');
		oServiceSelect.options[6] = myoption;		

	}

	else if (vSpecialty == 'GENERAL SURGERY'){

		myoption = Option('GENERAL ANASETHESIA','GENERAL ANASETHESIA');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('GENERAL SURGERY- MAJOR SURGERIES','GENERAL SURGERY- MAJOR SURGERIES');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('GENERAL SURGERY- MINOR DAY CARE SURGERY','GENERAL SURGERY- MINOR DAY CARE SURGERY');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('GENERAL SURGERY- MINOR SURGERIES','GENERAL SURGERY- MINOR SURGERIES');
		oServiceSelect.options[3] = myoption;		

		myoption = Option('GENERAL SURGERY- MODERATE','GENERAL SURGERY- MODERATE');
		oServiceSelect.options[4] = myoption;		

	}

	else if (vSpecialty == 'IVF'){

		myoption = Option('IVF','IVF');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'LABORATORY'){

		myoption = Option('BLOOD BANK','BLOOD BANK');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('CLINICAL CHEMISTRY','CLINICAL CHEMISTRY');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('CYTOGENETICS','CYTOGENETICS');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('CYTOPATHOLOGY','CYTOPATHOLOGY');
		oServiceSelect.options[3] = myoption;		

		myoption = Option('DRUGS','DRUGS');
		oServiceSelect.options[4] = myoption;		

		myoption = Option('ELISA','ELISA');
		oServiceSelect.options[5] = myoption;		

		myoption = Option('ENDOCRINOLOGY & RIA','ENDOCRINOLOGY & RIA');
		oServiceSelect.options[6] = myoption;		

		myoption = Option('FLOW CYTOMERTRY TEST ( FCT )','FLOW CYTOMERTRY TEST ( FCT )');
		oServiceSelect.options[7] = myoption;		

		myoption = Option('HAEMATOLOGY','HAEMATOLOGY');
		oServiceSelect.options[8] = myoption;		

		myoption = Option('HISTOPATHOLOGY','HISTOPATHOLOGY');
		oServiceSelect.options[9] = myoption;		

		myoption = Option('IMMUNOLOGY','IMMUNOLOGY');
		oServiceSelect.options[10] = myoption;		

		myoption = Option('IMX','IMX');
		oServiceSelect.options[11] = myoption;		

		myoption = Option('INDIRECT HEMAGLUTINATION ANTIBODY ( IHA )','INDIRECT HEMAGLUTINATION ANTIBODY ( IHA )');
		oServiceSelect.options[12] = myoption;		

		myoption = Option('INDIRECT IMMUNO FLUORESCENT TEST ( IFT )','INDIRECT IMMUNO FLUORESCENT TEST ( IFT )');
		oServiceSelect.options[13] = myoption;		

		myoption = Option('INFECTIOUS DISEASES','INFECTIOUS DISEASES');
		oServiceSelect.options[14] = myoption;		

		myoption = Option('Manual','Manual');
		oServiceSelect.options[15] = myoption;		

		myoption = Option('MICROBIOLOGY','MICROBIOLOGY');
		oServiceSelect.options[16] = myoption;		

		myoption = Option('MICROPARTICLE ENZYME IMMUNOASSAY ( MEIA )','MICROPARTICLE ENZYME IMMUNOASSAY ( MEIA )');
		oServiceSelect.options[17] = myoption;		

		myoption = Option('ROUTINE TESTS','ROUTINE TESTS');
		oServiceSelect.options[18] = myoption;		

		myoption = Option('TDX','TDX');
		oServiceSelect.options[19] = myoption;		

		myoption = Option('TISSUE TYPING','TISSUE TYPING');
		oServiceSelect.options[20] = myoption;		

		myoption = Option('URINES','URINES');
		oServiceSelect.options[21] = myoption;		

	}

	else if (vSpecialty == 'MEDICAL ADMINISTRATION'){

		myoption = Option('MEDICAL REPORTS','MEDICAL REPORTS');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'MEDICINE'){

		myoption = Option('PODIATRIC SERVICES','PODIATRIC SERVICES');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('VACCINATION HAPATITS - B','VACCINATION HAPATITS - B');
		oServiceSelect.options[1] = myoption;		

	}

	else if (vSpecialty == 'OBS & GYNAE'){

		myoption = Option('I .V . F.','I .V . F.');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'ONCOLOGY'){

		myoption = Option('CHEMOTHERAPY','CHEMOTHERAPY');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'ORTHOPAEDIC'){

		myoption = Option('ANKLE','ANKLE');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('BACK (SPINE)','BACK (SPINE)');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('CYST GRAFTING','CYST GRAFTING');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('ELBOW','ELBOW');
		oServiceSelect.options[3] = myoption;		

		myoption = Option('EXTRACTION OF IMPLANTS','EXTRACTION OF IMPLANTS');
		oServiceSelect.options[4] = myoption;		

		myoption = Option('FINGERS: QURVAIRIS','FINGERS: QURVAIRIS');
		oServiceSelect.options[5] = myoption;		

		myoption = Option('FOOT','FOOT');
		oServiceSelect.options[6] = myoption;		

		myoption = Option('KNEE','KNEE');
		oServiceSelect.options[7] = myoption;		

		myoption = Option('NECK','NECK');
		oServiceSelect.options[8] = myoption;		

		myoption = Option('PEDIATRIC','PEDIATRIC');
		oServiceSelect.options[9] = myoption;		

		myoption = Option('SHOULDER','SHOULDER');
		oServiceSelect.options[10] = myoption;		

		myoption = Option('WRIST','WRIST');
		oServiceSelect.options[11] = myoption;		

	}

	else if (vSpecialty == 'PHYSICAL MEDICINE&REHAB.'){

		myoption = Option('EQUIPMENT DEPOSIT','EQUIPMENT DEPOSIT');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('PROSTHETIC & ORTHOTIC DEVICES','PROSTHETIC & ORTHOTIC DEVICES');
		oServiceSelect.options[1] = myoption;		

	}

	else if (vSpecialty == 'PLASTIC SURGERY'){

		myoption = Option('HEAD & NECK','HEAD & NECK');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('LOWER LIMBS','LOWER LIMBS');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('OTHERS','OTHERS');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('TRUNK','TRUNK');
		oServiceSelect.options[3] = myoption;		

		myoption = Option('UPPER LIMBS','UPPER LIMBS');
		oServiceSelect.options[4] = myoption;		

	}

	else if (vSpecialty == 'PULMON/MICU(INTENSIVE/PIC'){

		myoption = Option('PULMONARY ALLERGIES','PULMONARY ALLERGIES');
		oServiceSelect.options[0] = myoption;		

	}

	else if (vSpecialty == 'RADIOLOGY'){

		myoption = Option('A&E SERVICES','A&E SERVICES');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('LOWER EXTREMITY','LOWER EXTREMITY');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('MAJOR STUDIES','MAJOR STUDIES');
		oServiceSelect.options[2] = myoption;		

		myoption = Option('MEDIUM STUDIES','MEDIUM STUDIES');
		oServiceSelect.options[3] = myoption;		

		myoption = Option('MINOR STUDIES (ROUTINE OR PLAIN X-RAYS )','MINOR STUDIES (ROUTINE OR PLAIN X-RAYS )');
		oServiceSelect.options[4] = myoption;		

		myoption = Option('PRIVATE CLINIC','PRIVATE CLINIC');
		oServiceSelect.options[5] = myoption;		

		myoption = Option('RADIOLOGY','RADIOLOGY');
		oServiceSelect.options[6] = myoption;		

		myoption = Option('UPPER EXTREMITY','UPPER EXTREMITY');
		oServiceSelect.options[7] = myoption;		

	}

	else if (vSpecialty == 'UROLOGY'){

		myoption = Option('UROLOGY DEPARTMENT - MAJOR SURGERY','UROLOGY DEPARTMENT - MAJOR SURGERY');
		oServiceSelect.options[0] = myoption;		

		myoption = Option('UROLOGY DEPARTMENT - MINOR SURGERY','UROLOGY DEPARTMENT - MINOR SURGERY');
		oServiceSelect.options[1] = myoption;		

		myoption = Option('UROLOGY DEPARTMENT - MODERATE SURGERY','UROLOGY DEPARTMENT - MODERATE SURGERY');
		oServiceSelect.options[2] = myoption;		

	}
}