function checkall(){
        
       for (x=0; x<=66; x++){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
  }

function checkettuttokai(){

       for (x=0; x<=60; x++){
       
       if (x == 4 || x == 5 || x == 10 || x == 13 || x == 15 || x == 60 || x == 56){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
       }
   
}

function checkkiizhkanakku(){

       for (x=0; x<=60; x++){
       
       if (x == 2 || x == 9 || x == 26 || x == 34 || x == 35 || x == 46 || x == 48 || x == 50){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
       }
   
}
function checkfiveepics(){

       for (x=0; x<=60; x++){
       
       if (x == 6 || x == 8 || x == 43 || x == 32){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
       }
   
}

function checkettuttokai(){

       for (x=0; x<=60; x++){
       
       if (x == 4 || x == 5 || x == 10 || x == 13 || x == 15 || x == 60 || x == 56){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
       }
   
}

function checkpattuppaattu(){
              
       for (x=0; x<=60; x++){
       
       if (x == 14 || x == 16 || x == 12 || x == 11 || x == 38 || x == 39 || x == 40 || x == 41 ||
           x == 42 || x == 57){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
       }
  }
function checksangam(){
              
       for (x=0; x<=60; x++){
       
       if (x == 2 || x == 4 || x == 5 || x == 9 || x == 10 || x == 39 || x == 40 || x == 41 ||
           x == 6 || x == 8 || x == 11 || x == 42 || x == 43 || x == 44 || x == 50 || x == 56 ||
           x == 12 || x == 13 || x == 14 || x == 45 || x == 46 || x == 48 ||
          x == 15 || x == 60 || x == 16 || x == 26 || x ==32 || x == 34 || x == 35 || x == 37 || x == 38 || x == 57){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
       }
  }
function checkmodern(){
              
       for (x=29; x<=66; x++){
       
       if (x == 29 || x == 36 || x==64 || x == 49 || x == 61 || x == 51 || x == 53 || x == 52
             || x == 55 || x == 58 || x == 59 || x == 65 || x == 66){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
       }
       }
  }


function checkbhakti(){

       for (x=0; x<=63; x++){

        if (x == 17 || x == 18 || x == 19 || x == 47 || x == 54 ||
           x == 20 || x == 21 || x == 22 || x == 62 || x == 63 ||
           x == 23 || x == 25 || x == 0 ||
          x == 24 || x == 3 || x == 7 || x == 1 || x == 27 || x== 28 || x==30 || x == 31 || x==33
          ){
         if ( eval("document.test.x" + x + ".checked") ){
          eval("document.test.x" + x + ".checked = false");
          }
          else{
          eval("document.test.x" + x + ".checked = true");
          }
        }
       }
  }