//<!--
 //You will need to include KeyboardFilterCommonCode on your page for this to work.
function NumbersOnlyFilter (event)

    {  
        try 
        {
             var rv ; 
                var keyAscii = GetKeyAscii (event) ;
               
                if (IsCommonAscii(keyAscii) ) 
                    {rv= true;}
                else    
                    {          
                        switch (keyAscii)
                            {                          
                                case 48: case 49: case 50: case 51: case 52: case 53: case 54: case 55: case 56: case 57: 
                                    // Numbers on keyboard
                                    rv=true ;
                                break;
                                
                                case 96: case 97: case 98: case 99: case 100: case 101: case 102: case 103: case 104: case 105: 
                                    // Numbers on numeric pad
                                    rv=true ;
                                break;
                                
                                default:
                                   //{alert(keyAscii);}
                                    rv=false ;
                            }
                    }
                return rv;    
        }
        catch (ex)
            {return true ;}
    }
    
//-->