/* chordchart2.php --> JS by boneSpider Generates a mirror reflected accordion bass chord chart. Highlights selected buttons read from a string in the bass note columns. */ var h = 0; var i = 0; var j = 0; var pitch = "ADGCFBEADG"; var s_or_f = "#bx "; var o7mM = "o7mM "; // /* var songName = "Magitek Factory"; var bassNotes = "D# E G# A C# F# C B "; // */ // /* var songName = "Fireman"; var bassNotes = "E# A# B D# G# A C# D F# B E F "; // */ /*****************************************/ function checkRows(row) { if ((row >= 0) && (row <= 4)) return 0; if ((row >= 5) && (row <= 11)) return 3; if ((row >= 12) && (row <= 18)) return 1; } /*****************************************/ function checkCols(col) { if ((col >= 0) && (col <= 3)) return col; } /*****************************************/ function checkColRow(col, row) { if ((col == 5) && ((row == 0) || (row == 1))) return 5; if ((col == 4) && ((row >= 5) && (row <= 11))) return 4; } /*****************************************/ function checkButton(col, row) { if ((col == 4) && (((row == 6) || (row == 10)) || (row == 14))) return 6; } /*****************************************/ function checkBassRows(row) { if ((row >= 2) && (row <= 8)) return 2; if ((row >= 9) && (row <= 15)) return 9; if ((row >= 16) && (row <= 18)) return 16; } /*****************************************/ document.write(songName + ":
"); document.write(bassNotes); document.write(""); for (row = 0; row < 20; row++) { i = checkRows(row); document.write(""); for (col = 0; col < 6; col++) { j = checkCols(col); if (j != col) j = 4; if (col < 5) { if (row == 19) note = pitch[h] + s_or_f[1] + s_or_f[1] + o7mM[j]; else { if (checkButton(col, row) == 6) { if (s_or_f[i] == ' ') note = '(' + pitch[h] + ')'; else note = '(' + pitch[h] + s_or_f[i] + ')'; } else if (checkColRow(col, row) == 4) note = pitch[h] + s_or_f[i]; else note = pitch[h] + s_or_f[i] + o7mM[j]; } } else { if (checkColRow(col, row) == 5) note = pitch[h+3] + s_or_f[2]; switch (checkBassRows(row)) { case 2: note = pitch[h+3] + s_or_f[0]; break; case 9: note = pitch[h+3] + s_or_f[3]; break; case 16: note = pitch[h+3] + s_or_f[1]; break; } if (row == 19) note = pitch[h+3] + s_or_f[1]; } var Note = new RegExp(note); if (Note.test(bassNotes)) document.write(""); } h++; if (h == 7) h = 0; document.write("

"); else document.write("	"); document.write(note + "

"); } document.write(""); /*****************************************/

chordChart2.js