//Generate HTML Radio Button List...
var options = 10;
var macroTitle = 'Generate HTML Radio Button List: ';

function isPosInt( val ){
   if(val != NaN){
      //is a number
      if(val > 0){
         //is positive
         if(parseInt(val) == val){
            //is an integer
            return true;
         }
      }
   }
   return false;
}

var newName = prompt(macroTitle + 'Name of Radio List: ', 'myRadiolist');

var optionsValid = false;
while(!optionsValid){
   var newOptions = prompt(macroTitle + 'Number of Options: ', options);
   var newOptionsAsNum = Number(newOptions);
   if( isPosInt(newOptionsAsNum) ){
      newOptions = newOptionsAsNum;
      optionsValid = true;
   } else {
      alert('You must enter a valid Integer.');
   }
}

for(var i=0;i<newOptions;i++){
   document.write('\n<input type="radio" name="' + newName + '" value="' + i + '"> Radio' + i + '<br/>');
}