<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 81; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 81; i++)
field[i].checked = false;
    }
  }
else{
field[0].checked = false;
}
}

function checkMetro1(field, i) {
if (i == 3) { //
if (field[3].checked == true) {
for (i = 4; i <= 13; i++)
field[i].checked = true;
}
else 
if (field[3].checked == false) {
for (i = 4; i <= 13; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[3].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 14) { 
if (field[14].checked == true) {
for (i = 15; i <= 16; i++)
field[i].checked = true;
}
else 
if (field[14].checked == false) {
for (i =15 ; i <= 16; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[14].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 17) { 
if (field[17].checked == true) {
for (i = 18; i <= 26; i++)
field[i].checked = true;
}
else 
if (field[17].checked == false) {
for (i = 18; i <= 26; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[17].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 27) { 
if (field[27].checked == true) {
for (i = 28; i <= 34; i++)
field[i].checked = true;
}
else 
if (field[27].checked == false) {
for (i = 28; i <= 34; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[27].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 35) { 
if (field[35].checked == true) {
for (i = 36; i <= 37; i++)
field[i].checked = true;
}
else 
if (field[35].checked == false) {
for (i = 36; i <= 37; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[35].checked = false;
}
}
function checkMetro6(field, i) {
if (i == 38) { 
if (field[38].checked == true) {
for (i = 39; i <= 41; i++)
field[i].checked = true;
}
else 
if (field[38].checked == false) {
for (i = 39; i <= 41; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[38].checked = false;
}
}
function checkMetro7(field, i) {
if (i == 42) { 
if (field[42].checked == true) {
for (i = 43; i <= 51; i++)
field[i].checked = true;
}
else 
if (field[42].checked == false) {
for (i = 43; i <= 51; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[42].checked = false;
}
}
function checkMetro8(field, i) {
if (i == 52) { 
if (field[52].checked == true) {
for (i = 53; i <= 63; i++)
field[i].checked = true;
}
else 
if (field[52].checked == false) {
for (i = 53; i <= 63; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[52].checked = false;
}
}
function checkMetro9(field, i) {
if (i == 64) { 
if (field[64].checked == true) {
for (i = 65; i <= 75; i++)
field[i].checked = true;
}
else 
if (field[64].checked == false) {
for (i = 65; i <= 75; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[64].checked = false;
}
}
function checkMetro10(field, i) {
if (i == 76) { 
if (field[76].checked == true) {
for (i = 77; i <= 81; i++)
field[i].checked = true;
}
else 
if (field[76].checked == false) {
for (i = 77; i <= 81; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[76].checked = false;
}
}
function checkPr(field, i) {
if (i == 0) { 
if (field[0].checked == true) {
for (i = 1; i <= 6; i++)
field[i].checked = false;
}
  }
else{
field[0].checked = false;
}
}
function checkBd(field, i) {
if (i == 0) { //Bedroom
if (field[0].checked == true) {
for (i = 1; i <= 5; i++)
field[i].checked = false;
}
  }
else{
field[0].checked = false;
}
}

function checkBt(field, i) {
if (i == 0) { //Bath
if (field[0].checked == true) {
for (i = 1; i <= 5; i++)
field[i].checked = false;
}
  }
else{
field[0].checked = false;
}
}
//  End -->