var can_play = true;
var words = new Array("PISATURU","CANNARUOCCIULU","STUPPIEDDHI","GALETTA","PAMPANARA", "CUGGHJIUNIATA", "CERAMILI", "SARTAINA", "SBERGINI", "CIUNNA", "TAGGHJIOLA", "BRIGLIA","PISCIATURU", "NTARTENI", "SURIGGHJIA", "VRUVICARU", "ZIGNO", "PURNIA", "SCARAZZO", "QUATRARIEDDHI", "CAPANNEDDHA", "CAVUDAREDDHA", "ZAMPANIEDDHI", "SCURZUNU", "PISTIGGHJUNU", "CANNISTRA");

var to_guess = "";
var display_word = "";
var used_letters = "";
var wrong_guesses = 0;

function selectLetter(l)
{
if (can_play == false)
{
return;
}

if (used_letters.indexOf(l) != -1)
{
return;
}
	
used_letters += l;
document.game.usedLetters.value = used_letters;
	
if (to_guess.indexOf(l) != -1)
{
 // correct letter guess
pos = 0;
temp_mask = display_word;

while (to_guess.indexOf(l, pos) != -1)
{
pos = to_guess.indexOf(l, pos);			
end = pos + 1;

start_text = temp_mask.substring(0, pos);
end_text = temp_mask.substring(end, temp_mask.length);

temp_mask = start_text + l + end_text;
pos = end;
}

display_word = temp_mask;
document.game.displayWord.value = display_word;
		
if (display_word.indexOf("#") == -1)
{
// won
alert("Cci'asi cuotu! Asi vinciuti! Cumplimenti!");
can_play = false;
}
}
else
{
// incortect letter guess
wrong_guesses += 1;
eval("document.hm.src=\"image/hm" + wrong_guesses + ".gif\"");
		
if (wrong_guesses == 10)
{
// lost
alert("Asi pirduti! Mpegniti cchiù bbogghjia!!!");
can_play = false;
}
}
}

function reset()
{
selectWord();
document.game.usedLetters.value = "";
used_letters = "";
wrong_guesses = 0;
document.hm.src="image/hmstart.gif";
}

function selectWord()
{
can_play = true;
random_number = Math.round(Math.random() * (words.length - 1));
to_guess = words[random_number];
//document.game.theWord.value = to_guess;
	
// display masked word
masked_word = createMask(to_guess);
document.game.displayWord.value = masked_word;
display_word = masked_word;
}

function createMask(m)
{
mask = "";
word_lenght = m.length;

for (i = 0; i < word_lenght; i ++)
{
mask += "#";
}
return mask;
}