function toggle_tab(tab_id) {

resetMouseOver1();

if (tab_id == "A") {

showtable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab1_button').className = 'mouseOver';
mouseover_1 = 1;

} else if (tab_id == "B") {

hidetable('A');showtable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab2_button').className = 'mouseOver';
mouseover_1 = 2;

} else if (tab_id == "C") {

hidetable('A');hidetable('B');showtable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab3_button').className = 'mouseOver';
mouseover_1 = 3;

} else if (tab_id == "D") {

hidetable('A');hidetable('B');hidetable('C');showtable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab4_button').className = 'mouseOver';
mouseover_1 = 4;

} else if (tab_id == "E") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');showtable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab5_button').className = 'mouseOver';
mouseover_1 = 5;

} else if (tab_id == "F") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');showtable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab6_button').className = 'mouseOver';
mouseover_1 = 6;

} else if (tab_id == "G") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');showtable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab7_button').className = 'mouseOver';
mouseover_1 = 7;

} else if (tab_id == "H") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');showtable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab8_button').className = 'mouseOver';
mouseover_1 = 8;

} else if (tab_id == "I") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');showtable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab9_button').className = 'mouseOver';
mouseover_1 = 9;

} else if (tab_id == "J") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');showtable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab10_button').className = 'mouseOver';
mouseover_1 = 10;

} else if (tab_id == "K") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');showtable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab11_button').className = 'mouseOver';
mouseover_1 = 11;

} else if (tab_id == "L") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');showtable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab12_button').className = 'mouseOver';
mouseover_1 = 12;

} else if (tab_id == "M") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');showtable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab13_button').className = 'mouseOver';
mouseover_1 = 13;

} else if (tab_id == "N") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');showtable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab14_button').className = 'mouseOver';
mouseover_1 = 14;

} else if (tab_id == "O") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');showtable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab15_button').className = 'mouseOver';
mouseover_1 = 15;

} else if (tab_id == "P") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');showtable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab16_button').className = 'mouseOver';
mouseover_1 = 16;

} else if (tab_id == "Q") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');showtable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab17_button').className = 'mouseOver';
mouseover_1 = 17;

} else if (tab_id == "R") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');showtable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab18_button').className = 'mouseOver';
mouseover_1 = 18;

} else if (tab_id == "S") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');showtable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab19_button').className = 'mouseOver';
mouseover_1 = 19;

} else if (tab_id == "T") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');showtable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab20_button').className = 'mouseOver';
mouseover_1 = 20;

} else if (tab_id == "U") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');showtable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab21_button').className = 'mouseOver';
mouseover_1 = 21;

} else if (tab_id == "V") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');showtable('V');hidetable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab22_button').className = 'mouseOver';
mouseover_1 = 22;

} else if (tab_id == "W") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');showtable('W');hidetable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab23_button').className = 'mouseOver';
mouseover_1 = 23;

} else if (tab_id == "X") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');showtable('X');hidetable('Y');hidetable('Z');

document.getElementById('tab24_button').className = 'mouseOver';
mouseover_1 = 24;

} else if (tab_id == "Y") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');showtable('Y');hidetable('Z');

document.getElementById('tab25_button').className = 'mouseOver';
mouseover_1 = 25;

} else if (tab_id == "Z") {

hidetable('A');hidetable('B');hidetable('C');hidetable('D');hidetable('E');hidetable('F');hidetable('G');hidetable('H');hidetable('I');hidetable('J');hidetable('K');hidetable('L');hidetable('M');hidetable('N');hidetable('O');hidetable('P');hidetable('Q');hidetable('R');hidetable('S');hidetable('T');hidetable('U');hidetable('V');hidetable('W');hidetable('X');hidetable('Y');showtable('Z');

document.getElementById('tab26_button').className = 'mouseOver';
mouseover_1 = 26;

}  

}

function toggle_visibility(id) {

for (i = 1; i <= 20; i++) {

for (r = 1; r <= 20; r++) {

if (document.getElementById("tab" + i + "_" + r + "")) {

if (id != "tab" + i + "_" + r + "") {

document.getElementById("tab" + i + "_" + r + "").style.display = 'none';

}

}

}

}

   var e = document.getElementById(id);
   if(e.style.display == 'none') {
      e.style.display = 'block';
   } else {
      e.style.display = 'none';
   }
}