var formula01; var solformula01;
var formula02; var solformula02;
var formula03; var solformula03;
var formula04; var solformula04;
var formula05; var solformula05;
var formula06; var solformula06;
var formula07; var solformula07;
var formula08; var solformula08;
var formula09; var solformula09;
var formula10; var solformula10;


var C="Right, very well" 
var N="Come on!, it is not so difficult" 
var P="Wrong, try again" 

function formulaSolucion() {


	formula01=document.miFormulario.formula01.value;
	solformula01=document.miFormulario.solformula01.value;
	formula02=document.miFormulario.formula02.value;
	solformula02=document.miFormulario.solformula02.value;
	formula03=document.miFormulario.formula03.value;
	solformula03=document.miFormulario.solformula03.value;
	formula04=document.miFormulario.formula04.value;
	solformula04=document.miFormulario.solformula04.value;
	formula05=document.miFormulario.formula05.value;
	solformula05=document.miFormulario.solformula05.value;
	formula06=document.miFormulario.formula06.value;
	solformula06=document.miFormulario.solformula06.value;
	formula07=document.miFormulario.formula07.value;
	solformula07=document.miFormulario.solformula07.value;
	formula08=document.miFormulario.formula08.value;
	solformula08=document.miFormulario.solformula08.value;
	formula09=document.miFormulario.formula09.value;
	solformula09=document.miFormulario.solformula09.value;
	formula10=document.miFormulario.formula10.value;
	solformula10=document.miFormulario.solformula10.value;






	switch (formula01){
		case "H2CrO4": document.miFormulario.solformula01.value=C; break;
		case "": document.miFormulario.solformula01.value=N; break;
		default: document.miFormulario.solformula01.value=P; break;
		}

	switch (formula02){
		case "H2SeO4": document.miFormulario.solformula02.value=C; break;
		case "": document.miFormulario.solformula02.value=N; break;
		default: document.miFormulario.solformula02.value=P; break;
		}

	switch (formula03){
		case "HClO2": document.miFormulario.solformula03.value=C; break;
		case "": document.miFormulario.solformula03.value=N; break;
		default: document.miFormulario.solformula03.value=P; break;
		}

	switch (formula04){
		case "H2MnO4": document.miFormulario.solformula04.value=C; break;
		case "": document.miFormulario.solformula04.value=N; break;
		default: document.miFormulario.solformula04.value=P; break;
		}

	switch (formula05){
		case "H2Cr2O7": document.miFormulario.solformula05.value=C; break;
		case "": document.miFormulario.solformula05.value=N; break;
		default: document.miFormulario.solformula05.value=P; break;
		}

	switch (formula06){
		case "HNO3": document.miFormulario.solformula06.value=C; break;
		case "": document.miFormulario.solformula06.value=N; break;
		default: document.miFormulario.solformula06.value=P; break;
		}

	switch (formula07){
		case "HClO4": document.miFormulario.solformula07.value=C; break;
		case "": document.miFormulario.solformula07.value=N; break;
		default: document.miFormulario.solformula07.value=P; break;
		}

	switch (formula08){
		case "H2TeO4": document.miFormulario.solformula08.value=C; break;
		case "": document.miFormulario.solformula08.value=N; break;
		default: document.miFormulario.solformula08.value=P; break;
		}

	switch (formula09){
		case "HNO2": document.miFormulario.solformula09.value=C; break;
		case "": document.miFormulario.solformula09.value=N; break;
		default: document.miFormulario.solformula09.value=P; break;
		}

	switch (formula10){
		case "H3PO3": document.miFormulario.solformula10.value=C; break;
		case "": document.miFormulario.solformula10.value=N; break;
		default: document.miFormulario.solformula10.value=P; break;
		}

}

function formulaCorreccion() {


	formula01=document.miFormulario.formula01.value;
	solformula01=document.miFormulario.solformula01.value="H2CrO4";
	formula02=document.miFormulario.formula02.value;
	solformula02=document.miFormulario.solformula02.value="H2SeO4";
	formula03=document.miFormulario.formula03.value;
	solformula03=document.miFormulario.solformula03.value="HClO2";
	formula04=document.miFormulario.formula04.value;
	solformula04=document.miFormulario.solformula04.value="H2MnO4";
	formula05=document.miFormulario.formula05.value;
	solformula05=document.miFormulario.solformula05.value="H2Cr2O7";
	formula06=document.miFormulario.formula06.value;
	solformula06=document.miFormulario.solformula06.value="HNO3";
	formula07=document.miFormulario.formula07.value;
	solformula07=document.miFormulario.solformula07.value="HClO4";
	formula08=document.miFormulario.formula08.value;
	solformula08=document.miFormulario.solformula08.value="H2TeO4";
	formula09=document.miFormulario.formula09.value;
	solformula09=document.miFormulario.solformula09.value="HNO2";
	formula10=document.miFormulario.formula10.value;
	solformula10=document.miFormulario.solformula10.value="H3PO3";

}

function Avaliar(){

var Answers = new Array(C,C,C,C,C,C,C,C,C,C)

var UserAnswers = new Array(document.miFormulario.solformula01.value,
document.miFormulario.solformula02.value,
document.miFormulario.solformula03.value,
document.miFormulario.solformula04.value,
document.miFormulario.solformula05.value,
document.miFormulario.solformula06.value,
document.miFormulario.solformula07.value,
document.miFormulario.solformula08.value,
document.miFormulario.solformula09.value,
document.miFormulario.solformula10.value)

var count0 = 0

	if (Answers[0] == UserAnswers[0])
	{count0 = count0 + 1}
	else
	{count0 = count0}

	if (Answers[1] == UserAnswers[1])
	{count1 = count0 + 1}
	else
	{count1 = count0}

	if (Answers[2] == UserAnswers[2])
	{count2 = count1 + 1}
	else
	{count2 = count1}

	if (Answers[3] == UserAnswers[3])
	{count3 = count2 + 1}
	else
	{count3 = count2}

	if (Answers[4] == UserAnswers[4])
	{count4 = count3 + 1}
	else
	{count4 = count3}

	if (Answers[5] == UserAnswers[5])
	{count5 = count4 + 1}
	else
	{count5 = count4}

	if (Answers[6] == UserAnswers[6])
	{count6 = count5 + 1}
	else
	{count6 = count5}

	if (Answers[7] == UserAnswers[7])
	{count7 = count6 + 1}
	else
	{count7 = count6}

	if (Answers[8] == UserAnswers[8])
	{count8 = count7 + 1}
	else
	{count8 = count7}

	if (Answers[9] == UserAnswers[9])
	{count9 = count8 + 1}
	else
	{count9 = count8}




var porcentaxe = count9
var consello

	if (porcentaxe <2){consello = "If you want to get more correct answers, press Pg Up and study."} 
	if (porcentaxe <= 3){consello = "If you want to  get more correct answers,press Pg Up and study."} 
	if ((porcentaxe > 3)&&(porcentaxe <=5)){consello = "If you revise a little, you will improve very much.Press Pg Up and revise."} 
	if ((porcentaxe > 5)&&(porcentaxe <=7)){consello = "Pay a little more  attention and you will be an expert on this exercise."} 
	if ((porcentaxe > 7)&&(porcentaxe <10)){consello = "It is very well, one can tell that you have studied."} 
	if (porcentaxe > 9){consello = "Great, keep on working and congratulations."} 

	alert("Results = " + porcentaxe + " . "+ consello +"")
}