ton").style.display = "";
}
}
// Returns true if the string passed in contains any characters prone to evil.
function ContainsBadChars(theirWord)
{
for (var i = 0; i < theirWord.length; i++)
if (BadChars.indexOf(theirWord.charAt(i)) >= 0) return true;
return false;
}
// Pads a number out to three characters.
function PadNumber(number)
{
if (number < 10)
return "00" + number;
else if (number < 100)
return "0" + number;
else
return "" + number;
}
// Returns the table cell at a particular pair of coordinates.
function CellAt(x, y)
{
return document.getElementById("c" + PadNumber(x) + PadNumber(y));
}
// Deselects the current word, if there's a word selected. DOES not change the value of CurrentWord.
function DeselectCurrentWord()
{
if (CurrentWord < 0) return;
var x, y, i;
document.getElementById("answerbox").style.display = "none";
ChangeCurrentWordSelectedStyle(false);
CurrentWord = -1;
}
// Changes the style of the cells in the current word.
function ChangeWordStyle(WordNumber, NewStyle)
{
if (WordNumber< 0) return;
var x = WordX[WordNumber];
var y = WordY[WordNumber];
if (WordNumber<= LastHorizontalWord)
for (i = 0; i < WordLength[WordNumber]; i++)
CellAt(x + i, y).className = NewStyle;
else
for (i = 0; i < WordLength[WordNumber]; i++)
CellAt(x, y + i).className = NewStyle;
}
// Changes the style of the cells in the current word between the selected/unselected form.
function ChangeCurrentWordSelectedStyle(IsSelected)
{
if (CurrentWord < 0) return;
var x = WordX[CurrentWord];
var y = WordY[CurrentWord];
if (CurrentWord <= LastHorizontalWord)
for (i = 0; i < WordLength[CurrentWord]; i++)
CellAt(x + i, y).className = CellAt(x + i, y).className.replace(IsSelected ? "_unsel" : "_sel", IsSelected ? "_sel" : "_unsel");
else
for (i = 0; i < WordLength[CurrentWord]; i++)
CellAt(x, y + i).className = CellAt(x, y + i).className.replace(IsSelected ? "_unsel" : "_sel", IsSelected ? "_sel" : "_unsel");
}
// Selects the new word by parsing the name of the TD element referenced by the
// event object, and then applying styles as necessary.
function SelectThisWord(event)
{
if (CrosswordFinished) return;
var x, y, i, TheirWord, TableCell;
// Deselect the previous word if one was selected.
document.getElementById("welcomemessage").style.display = "none";
if (CurrentWord >= 0) OKClick();
DeselectCurrentWord();
// Determine the coordinates of the cell they clicked, and then the word that
// they clicked.
var target = (event.srcElement ? event.srcElement: event.target);
x = parseInt(target.id.substring(1, 4), 10);
y = parseInt(target.id.substring(4, 7), 10);
// If they clicked an intersection, choose the type of word that was NOT selected last time.
if (TableAcrossWord[x][y] >= 0 && TableDownWord[x][y] >= 0)
CurrentWord = PrevWordHorizontal ? TableDownWord[x][y] : TableAcrossWord[x][y];
else if (TableAcrossWord[x][y] >= 0)
CurrentWord = TableAcrossWord[x][y];
else if (TableDownWord[x][y] >= 0)
CurrentWord = TableDownWord[x][y];
PrevWordHorizontal = (CurrentWord <= LastHorizontalWord);
// Now, change the style of the cells in this word.
ChangeCurrentWordSelectedStyle(true);
// Then, prepare the answer box.
x = WordX[CurrentWord];
y = WordY[CurrentWord];
TheirWord = "";
var TheirWordLength = 0;
for (i = 0; i < WordLength[CurrentWord]; i++)
{
// Find the appropriate table cell.
if (CurrentWord <= LastHorizontalWord)
TableCell = CellAt(x + i, y);
else
TableCell = CellAt(x, y + i);
// Add its contents to the word we're building.
if (TableCell.innerHTML != null && TableCell.innerHTML.length > 0 && TableCell.innerHTML != " " && TableCell.innerHTML.toLowerCase() != " ")
{
TheirWord += TableCell.innerHTML.toUpperCase();
TheirWordLength++;
}
else
{
TheirWord += "•";
}
}
document.getElementById("wordlabel").innerHTML = TheirWord;
document.getElementById("wordinfo").innerHTML = ((CurrentWord <= LastHorizontalWord) ? "Across, " : "Down, ") + WordLength[CurrentWord] + " letters.";
document.getElementById("wordclue").innerHTML = Clue[CurrentWord];
document.getElementById("worderror").style.display = "none";
document.getElementById("cheatbutton").style.display = (Word.length == 0) ? "none" : "";
if (TheirWordLength == WordLength[CurrentWord])
document.getElementById("wordentry").value = TheirWord;
else
document.getElementById("wordentry").value = "";
// Finally, show the answer box.
document.getElementById("answerbox").style.display = "block";
try
{
document.getElementById("wordentry").focus();
document.getElementById("wordentry").select();
}
catch (e)
{
}
}
// Called when the user clicks the OK link.
function OKClick()
{
var TheirWord, x, y, i, TableCell;
if (CrosswordFinished) return;
if (document.getElementById("okbutton").disabled) return;
// First, validate the entry.
TheirWord = document.getElementById("wordentry").value.toUpperCase();
if (TheirWord.length == 0)
{
DeselectCurrentWord();
return;
}
if (ContainsBadChars(TheirWord))
{
document.getElementById("worderror").innerHTML = "The word that you typed contains invalid characters. Please type only letters in the box above.";
document.getElementById("worderror").style.display = "block";
return;
}
if (TheirWord.length < WordLength[CurrentWord])
{
document.getElementById("worderror").innerHTML = "You did not type enough letters. This word has " + WordLength[CurrentWord] + " letters.";
document.getElementById("worderror").style.display = "block";
return;
}
if (TheirWord.length > WordLength[CurrentWord])
{
document.getElementById("worderror").innerHTML = "You typed too many letters. This word has " + WordLength[CurrentWord] + " letters.";
document.getElementById("worderror").style.display = "block";
return;
}
// If we made it this far, they typed an acceptable word, so add these letters to the puzzle and hide the entry box.
x = WordX[CurrentWord];
y = WordY[CurrentWord];
for (i = 0; i < TheirWord.length; i++)
{
TableCell = CellAt(x + (CurrentWord <= LastHorizontalWord ? i : 0), y + (CurrentWord > LastHorizontalWord ? i : 0));
TableCell.innerHTML = TheirWord.substring(i, i + 1);
}
DeselectCurrentWord();
}
// Called when the "check puzzle" link is clicked.
function CheckClick()
{
var i, j, x, y, UserEntry, ErrorsFound = 0, EmptyFound = 0, TableCell;
if (CrosswordFinished) return;
DeselectCurrentWord();
for (y = 0; y < CrosswordHeight; y++)
for (x = 0; x < CrosswordWidth; x++)
if (TableAcrossWord[x][y] >= 0 || TableDownWord[x][y] >= 0)
{
TableCell = CellAt(x, y);
if (TableCell.className == "ecw-box ecw-boxerror_unsel") TableCell.className = "ecw-box ecw-boxnormal_unsel";
}
for (i = 0; i < Words; i++)
{
// Get the user's entry for this word.
UserEntry = "";
for (j = 0; j < WordLength[i]; j++)
{
if (i <= LastHorizontalWord)
TableCell = CellAt(WordX[i] + j, WordY[i]);
else
TableCell = CellAt(WordX[i], WordY[i] + j);
if (TableCell.innerHTML.length > 0 && TableCell.innerHTML.toLowerCase() != " ")
{
UserEntry += TableCell.innerHTML.toUpperCase();
}
else
{
UserEntry = "";
EmptyFound++;
break;
}
}
// If this word doesn't match, it's an error.
if (HashWord(UserEntry) != AnswerHash[i] && UserEntry.length > 0)
{
ErrorsFound++;
ChangeWordStyle(i, "ecw-box ecw-boxerror_unsel");
}
}
// If they can only check once, disable things prematurely.
if ( OnlyCheckOnce )
{
CrosswordFinished = true;
document.getElementById("checkbutton").style.display = "none";
}
// If errors were found, just exit now.
if (ErrorsFound > 0 && EmptyFound > 0)
document.getElementById("welcomemessage").innerHTML = ErrorsFound + (ErrorsFound > 1 ? " errors" : " error") + " and " + EmptyFound + (EmptyFound > 1 ? " incomplete words were" : " incomplete word was") + " found.ico250 -->
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