function gt(x,y) {
var item = ((x-1)*9 + y) - 1;
var num = sudokuconf.substr(item,1);
if (num != '0')
return '';
else
return '';
}
document.write ('');
function locate(item) {
for(i=0;i < document.ysudoku.elements.length;i++)
if (document.ysudoku.elements[i].name == item)
return i;
return -1;
}
function clearSudoku() {
for (i=0; i<81; i++)
if (sudokuconf.substr(i ,1) == '0')
document.ysudoku.elements[ i ].value = '';
else
document.ysudoku.elements[ i ].value = sudokuconf.substr(i ,1);
}
function validateSudoku () {
for (i=0; i<81; i++)
{
col = (i % 9 + 1);
row = parseInt(i / 9 + 1);
value = document.ysudoku.elements[i].value;
if (value != '1' && value != '2' && value != '3' && value != '4' && value != '5' && value != '6' && value != '7' && value != '8' && value != '9')
{
alert('Invalid Character or number at row '+row+' , column '+col+' !');
return;
}
if (value != sudokusol.substr(i ,1))
{
alert('Sorry, repeated number at row '+row+' , column '+col+' !');
return;
}
}
}
function solveSudoku() {
for (i=0; i<81; i++)
document.ysudoku.elements[ i ].value = sudokusol.substr(i ,1);
}