function gradeanswers() { var correctans=0 if (document.checker.variable.value!="1") { document.checker.variable.value=1; var tempans1=window.document.quiz.question1.value; var tempans2=window.document.quiz.question2.value; var tempans3=window.document.quiz.question3.value; var tempans4=window.document.quiz.question4.value; var tempans5=window.document.quiz.question5.value; var tempans6=window.document.quiz.question6.value; if(tempans1=="") { var tempans1="-----"; } if(tempans2=="") { var tempans2="-----"; } if(tempans3=="") { var tempans3="-----"; } if(tempans4=="") { var tempans4="-----"; } if(tempans5=="") { var tempans5="-----"; } if(tempans6=="") { var tempans6="-----"; } var msg=open("","DisplayWindow"); msg.document.write(""); msg.document.write(""+ ""); msg.document.write("

Your results:"); msg.document.writeln("

Problem 1.

"); if(tempans1==truevalue[index]) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans1 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln("

The correct answer is " + truevalue[index] + ".

"); } msg.document.writeln("

Problem 2.

"); if(tempans2==truevalue2[index2]) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans2 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln("

The correct answer is " + truevalue2[index2] + ".

"); } msg.document.writeln("

Problem 3.

"); var exponent3=window.document.quiz.exponent.value; if(tempans3==truevalue3[index3] && exponent3==exp[index3]) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans3 + ' x 10^{' + exponent3 + '} is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue3[index3] + 'x 10^{' + exp[index3] + '}.

'); } msg.document.writeln("

Problem 4.

"); if(tempans4==truevalue4[index4]) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans4 + ' is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln("

The correct answer is " + truevalue4[index4] + ".

"); } msg.document.writeln("

Problem 5.

"); var exponent5=window.document.quiz.exponent5.value; if(tempans3==truevalue5[index5] && exponent3==exp5[index5]) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans5 + ' x 10^{' + exponent5 + '} is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue5[index5] + ' x 10^{' + exp[index3] + '}.

'); } msg.document.writeln("

Problem 6.

"); var exponent6=window.document.quiz.exponent6.value; if(tempans3==truevalue6[index6] && exponent6==exp6[index6]) { var outcome="correct"; correctans++; } else{ var outcome="incorrect"; } msg.document.write('

Your answer of ' + tempans6 + ' x 10^{' + exponent6 + '} is ' + outcome + '.

'); if(outcome=="incorrect") { msg.document.writeln('

The correct answer is ' + truevalue6[index6] + ' x 10^{' + exp[index6] + '}.

'); } msg.document.writeln("

Your Total score is: " + correctans + " out of 6.

"); msg.document.close(); } else { alert("Sorry, you cannot resubmit your answers. Click \"Start\" at the top of the page to start over."); } }