function ChkEng(val)   { 
          event.keyCode = val; 
          if( 
                    event.keyCode != 65 && 
                    event.keyCode != 66 && 
                    event.keyCode != 67 && 
                    event.keyCode != 68 && 
                    event.keyCode != 69 && 
                    event.keyCode != 70 && 
                    event.keyCode != 71 && 
                    event.keyCode != 72 && 
                    event.keyCode != 73 && 
                    event.keyCode != 74 && 
                    event.keyCode != 75 && 
                    event.keyCode != 76 && 
                    event.keyCode != 77 && 
                    event.keyCode != 78 && 
                    event.keyCode != 79 && 
                    event.keyCode != 80 && 
                    event.keyCode != 81 && 
                    event.keyCode != 82 && 
                    event.keyCode != 83 && 
                    event.keyCode != 84 && 
                    event.keyCode != 85 && 
                    event.keyCode != 86 && 
                    event.keyCode != 87 && 
                    event.keyCode != 88 && 
                    event.keyCode != 89 && 
                    event.keyCode != 90 && 
                    event.keyCode != 97 && 
                    event.keyCode != 98 && 
                    event.keyCode != 99 && 
                    event.keyCode != 100 && 
                    event.keyCode != 101 && 
                    event.keyCode != 102 && 
                    event.keyCode != 103 && 
                    event.keyCode != 104 && 
                    event.keyCode != 105 && 
                    event.keyCode != 106 && 
                    event.keyCode != 107 && 
                    event.keyCode != 108 && 
                    event.keyCode != 109 && 
                    event.keyCode != 110 && 
                    event.keyCode != 111 && 
                    event.keyCode != 112 && 
                    event.keyCode != 113 && 
                    event.keyCode != 114 && 
                    event.keyCode != 115 && 
                    event.keyCode != 116 && 
                    event.keyCode != 117 && 
                    event.keyCode != 118 && 
                    event.keyCode != 119 && 
                    event.keyCode != 120 && 
                    event.keyCode != 121 && 
                    event.keyCode != 122
               ) 

               { 
                    return false 
               } else { 
                    return true; 
               } 
      
     } 
	 

     function ChkNumber(val)   { 
          event.keyCode = val; 
          if( 
                    event.keyCode != 48 && 
                    event.keyCode != 49 && 
                    event.keyCode != 50 && 
                    event.keyCode != 51 && 
                    event.keyCode != 52 && 
                    event.keyCode != 53 && 
                    event.keyCode != 54 && 
                    event.keyCode != 55 && 
                    event.keyCode != 56 && 
                    event.keyCode != 57
               ) 

               { 
                    return false 
               } else { 
                    return true; 
               } 
      
     } 
	 
	 
     function ChkAddress(val)   { 
          event.keyCode = val; 
          if( 
                    event.keyCode != 32 && 
                    event.keyCode != 33 && 
                    event.keyCode != 34 && 
                    event.keyCode != 35 && 
                    event.keyCode != 36 && 
                    event.keyCode != 37 && 
                    event.keyCode != 38 && 
                    event.keyCode != 39 && 			
                    event.keyCode != 40 && 
                    event.keyCode != 41 && 
                    event.keyCode != 42 && 
                    event.keyCode != 43 && 					
                    event.keyCode != 44 && 					
                    event.keyCode != 45 && 
                    event.keyCode != 46 && 
                    event.keyCode != 47 && 
                    event.keyCode != 48 && 
                    event.keyCode != 49 && 
                    event.keyCode != 50 && 
                    event.keyCode != 51 && 
                    event.keyCode != 52 && 
                    event.keyCode != 53 && 
                    event.keyCode != 54 && 
                    event.keyCode != 55 && 
                    event.keyCode != 56 && 
                    event.keyCode != 57 &&
                    event.keyCode != 65 && 
                    event.keyCode != 66 && 
                    event.keyCode != 67 && 
                    event.keyCode != 68 && 
                    event.keyCode != 69 && 
                    event.keyCode != 70 && 
                    event.keyCode != 71 && 
                    event.keyCode != 72 && 
                    event.keyCode != 73 && 
                    event.keyCode != 74 && 
                    event.keyCode != 75 && 
                    event.keyCode != 76 && 
                    event.keyCode != 77 && 
                    event.keyCode != 78 && 
                    event.keyCode != 79 && 
                    event.keyCode != 80 && 
                    event.keyCode != 81 && 
                    event.keyCode != 82 && 
                    event.keyCode != 83 && 
                    event.keyCode != 84 && 
                    event.keyCode != 85 && 
                    event.keyCode != 86 && 
                    event.keyCode != 87 && 
                    event.keyCode != 88 && 
                    event.keyCode != 89 && 
                    event.keyCode != 90 && 
                    event.keyCode != 97 && 
                    event.keyCode != 98 && 
                    event.keyCode != 99 && 
                    event.keyCode != 100 && 
                    event.keyCode != 101 && 
                    event.keyCode != 102 && 
                    event.keyCode != 103 && 
                    event.keyCode != 104 && 
                    event.keyCode != 105 && 
                    event.keyCode != 106 && 
                    event.keyCode != 107 && 
                    event.keyCode != 108 && 
                    event.keyCode != 109 && 
                    event.keyCode != 110 && 
                    event.keyCode != 111 && 
                    event.keyCode != 112 && 
                    event.keyCode != 113 && 
                    event.keyCode != 114 && 
                    event.keyCode != 115 && 
                    event.keyCode != 116 && 
                    event.keyCode != 117 && 
                    event.keyCode != 118 && 
                    event.keyCode != 119 && 
                    event.keyCode != 120 && 
                    event.keyCode != 121 && 
                    event.keyCode != 122
               ) 

               { 
                    return false 
               } else { 
                    return true; 
               } 
      
     }