function showDetailsBox()
		{
			hideAllSources();
			
			var eltSelect = document.getElementById('hearCat');
			var val = '';
			
			if (eltSelect != null)
			{
				val = eltSelect.value;
			}
			
			if ( val != null && val.length > 0 )
			{
				document.getElementById('detail'+val).style.display = 'block';
				document.getElementById('hide_'+val.toLowerCase()).value = 'false';
				
				// Set the radio required
				set_required( [val.toLowerCase()] );
			}
		}
		
		
		function hideAllSources() 
		{
			//Hide all the how did you hear about us radio buttons
			
			if ($("#detailAssoc").length > 0){
				document.getElementById('detailAssoc').style.display = 'none';
				document.getElementById('hide_assoc').value = 'true';
				unset_required(['assoc']); 
			}

			if ($("#detailBook").length > 0){
				document.getElementById('detailBook').style.display = 'none';
				document.getElementById('hide_book').value = 'true';
				unset_required(['book']);
			}
			
			if ($("#detailMail").length > 0){
				document.getElementById('detailMail').style.display = 'none';
				document.getElementById('hide_mail').value = 'true';
				unset_required(['mail']);
			}	
								
			if ($("#detailEmail").length > 0){
				document.getElementById('detailEmail').style.display = 'none';
				document.getElementById('hide_email').value = 'true';
				unset_required(['email']);
			}
			
			if ($("#detailExhibition").length > 0){
				document.getElementById('detailExhibition').style.display = 'none';
				document.getElementById('hide_exhibition').value = 'true';
				unset_required(['exhibition']);
			}	

			if ($("#detailNewspaper").length > 0){
				document.getElementById('detailNewspaper').style.display = 'none';
				document.getElementById('hide_newspaper').value = 'true';
				unset_required(['newspaper']);
			}	

			if ($("#detailMagazine").length > 0){
				document.getElementById('detailMagazine').style.display = 'none';
				document.getElementById('hide_magazine').value = 'true';
				unset_required(['magazine']);
			}
			
			if ($("#detailTravelPart").length > 0){
				document.getElementById('detailTravelPart').style.display = 'none';
				document.getElementById('hide_travelpart').value = 'true';
				unset_required(['travelpart']);
			}				

			if ($("#detailTouristOffice").length > 0){
				document.getElementById('detailTouristOffice').style.display = 'none';
				document.getElementById('hide_touristoffice').value = 'true';
				unset_required(['touristoffice']);
			}	

			if ($("#detailTV").length > 0){
				document.getElementById('detailTV').style.display = 'none';
				document.getElementById('hide_tv').value = 'true';
				unset_required(['tv']);
			}	

			if ($("#detailSearch").length > 0){
				document.getElementById('detailSearch').style.display = 'none';
				document.getElementById('hide_search').value = 'true';
				unset_required(['search']);
			}	

			if ($("#detailPromotion").length > 0){
				document.getElementById('detailPromotion').style.display = 'none';
				document.getElementById('hide_promotion').value = 'true';
				unset_required(['promotion']);
			}	

			if ($("#detailOther").length > 0){
				document.getElementById('detailOther').style.display = 'none';
				document.getElementById('hide_other').value = 'true';
				unset_required(['other']);
			}				
			
			
		}