var ans = new Array;
var done = new Array;
var yourAns = new Array;
var explainAnswer = new Array;

var score = 0;
ans[1] = "a";

explainAnswer[1]="Graffiti is the most common type of property vandalism according to the Bureau of Justice Statistics. Immediate removal, within 24-48 hours, is one key to successful graffiti prevention.";

function Engine(question, answer) {
yourAns[question]=answer;
}

function Score(){
var answerText = "See the results...\n------------------------------------\n";
for(i=1;i<=1;i++){
   answerText=answerText+"\nTest Your Graffiti IQ\n";
  if(ans[i]!=yourAns[i]){
    answerText=answerText+"\nThe correct answer was: a. True.\n"+explainAnswer[i]+"\n";
  }
  else{
    answerText=answerText+" \nCorrect answer!\n";
    score++;
  }
}

//now score the user
answerText=answerText+"\n";
if(score<=0){
answerText=answerText+"You provided a wrong answer.";
}
if(score>=1 && score <=2){
answerText=answerText+""
}

alert(answerText);

}