<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 34; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 34; i++)
field[i].checked = false;
    }
  }
else{
field[0].checked = false;
}
}

function checkMetro1(field, i) {
if (i == 1) { //
if (field[1].checked == true) {
for (i = 2; i <= 12; i++)
field[i].checked = true;
}
else 
if (field[1].checked == false) {
for (i = 2; i <= 12; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[1].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 13) { 
if (field[13].checked == true) {
for (i = 14; i <= 17; i++)
field[i].checked = true;
}
else 
if (field[13].checked == false) {
for (i =14 ; i <= 17; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[13].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 18) { 
if (field[18].checked == true) {
for (i = 19; i <= 20; i++)
field[i].checked = true;
}
else 
if (field[18].checked == false) {
for (i = 19; i <= 20; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[18].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 21) { 
if (field[21].checked == true) {
for (i = 22; i <= 24; i++)
field[i].checked = true;
}
else 
if (field[21].checked == false) {
for (i = 22; i <= 24; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[21].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 25) { 
if (field[25].checked == true) {
for (i = 26; i <= 28; i++)
field[i].checked = true;
}
else 
if (field[25].checked == false) {
for (i = 26; i <= 28; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[25].checked = false;
}
}
function checkMetro6(field, i) {
if (i == 29) { 
if (field[29].checked == true) {
for (i = 30; i <= 31; i++)
field[i].checked = true;
}
else 
if (field[29].checked == false) {
for (i = 30; i <= 31; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[29].checked = false;
}
}

function checkMetro7(field, i) {
if (i == 32) { 
if (field[32].checked == true) {
for (i = 33; i <= 34; i++)
field[i].checked = true;
}
else 
if (field[32].checked == false) {
for (i = 33; i <= 34; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[32].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 -->