
<!--             
    
    function HeartRateMonitorChanged()
    {                            
        var selectbox = document.getElementById("HeartRateMonitor");
        
        switch (selectbox.value) 
        {
            case 'Yes':  ShowExtraDataRow();  break;

            default: HideExtraDataRow();  break;
        }
    }  
    
    function HideExtraDataRow()
    {                          
        var extradatarow = document.getElementById('extra_data_row');     
        extradatarow.style.display = 'none';
        document.getElementById('HeartRateMonitorType').value = '';
    }
    
    function ShowExtraDataRow()
    {                         
        var extradatarow = document.getElementById('extra_data_row');  
        
         if(navigator.userAgent.indexOf("Firefox")!= -1)
         {                                
             extradatarow.style.display = 'inline';
         } 
         else 
         {                              
             extradatarow.style.display = 'inline';
         }
    }
	
	
	
	function PowerMetreChanged()
    {                            
        var selectbox = document.getElementById("PowerMetre");
        
        switch (selectbox.value) 
        {
            case 'Yes':  ShowExtraDataRowPowerMeter();  break;

            default: HideExtraDataRowPowerMeter();  break;
        }
    }  
    
    function HideExtraDataRowPowerMeter()
    {                          
        var extradatarow = document.getElementById('extra_data_row_powermetre');     
        extradatarow.style.display = 'none';
        document.getElementById('PowerMetreType').value = '';
    }
    
    function ShowExtraDataRowPowerMeter()
    {                         
        var extradatarow = document.getElementById('extra_data_row_powermetre');  
        
         if(navigator.userAgent.indexOf("Firefox")!= -1)
         {                                
             extradatarow.style.display = 'inline';
         } 
         else 
         {                              
             extradatarow.style.display = 'inline';
         }
    }
	
	
	function WindTrainerChanged()
    {                            
        var selectbox = document.getElementById("WindTrainer");
        
        switch (selectbox.value) 
        {
            case 'Yes':  ShowExtraDataRowWindTrainer();  break;

            default: HideExtraDataRowWindTrainer();  break;
        }
    }  
    
    function HideExtraDataRowWindTrainer()
    {                          
        var extradatarow = document.getElementById('extra_data_row_windtrainer');     
        extradatarow.style.display = 'none';
        document.getElementById('WindTrainerType').value = '';
    }
    
    function ShowExtraDataRowWindTrainer()
    {                         
        var extradatarow = document.getElementById('extra_data_row_windtrainer');  
        
         if(navigator.userAgent.indexOf("Firefox")!= -1)
         {                                
             extradatarow.style.display = 'inline';
         } 
         else 
         {                              
             extradatarow.style.display = 'inline';
         }
    }
	
	
	function HearAboutChanged()
    {                            
        var selectbox = document.getElementById("HearAboutUs");
        
        switch (selectbox.value) 
        {
            case 'Other':  ShowExtraDataRowHearAbout();  break;
			
			case 'BikeClub':  ShowExtraDataRowHearAbout();  break;

            default: HideExtraDataRowHearAbout();  break;
        }
    }  
    
    function HideExtraDataRowHearAbout()
    {                          
        var extradatarow = document.getElementById('extra_data_row_hearabout');     
        extradatarow.style.display = 'none';
        document.getElementById('HearAbout_Other_BikeClub').value = '';
    }
    
    function ShowExtraDataRowHearAbout()
    {                         
        var extradatarow = document.getElementById('extra_data_row_hearabout');  
        
         if(navigator.userAgent.indexOf("Firefox")!= -1)
         {                                
             extradatarow.style.display = 'table-row';
         } 
         else 
         {                              
             extradatarow.style.display = 'inline';
         }
    }
   
//-->