<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 33; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 33; 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 <= 3; i++)
field[i].checked = true;
}
else 
if (field[1].checked == false) {
for (i = 2; i <= 3; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[1].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 4) { 
if (field[4].checked == true) {
for (i = 5; i <= 8; i++)
field[i].checked = true;
}
else 
if (field[4].checked == false) {
for (i =5 ; i <= 8; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[4].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 9) { 
if (field[9].checked == true) {
for (i = 10; i <= 13; i++)
field[i].checked = true;
}
else 
if (field[9].checked == false) {
for (i = 10; i <= 13; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[9].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 14) { 
if (field[14].checked == true) {
for (i = 15; i <= 17; i++)
field[i].checked = true;
}
else 
if (field[14].checked == false) {
for (i = 15; i <= 17; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[14].checked = false;
}
}

function checkMetro5(field, i) {
if (i == 18) { 
if (field[18].checked == true) {
for (i = 19; i <= 22; i++)
field[i].checked = true;
}
else 
if (field[18].checked == false) {
for (i = 19; i <= 22; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[18].checked = false;
}
}

function checkMetro6(field, i) {
if (i == 23) { 
if (field[23].checked == true) {
for (i = 24; i <= 25; i++)
field[i].checked = true;
}
else 
if (field[23].checked == false) {
for (i = 24; i <= 25; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[23].checked = false;
}
}

function checkMetro7(field, i) {
if (i == 26) { 
if (field[26].checked == true) {
for (i = 27; i <= 29; i++)
field[i].checked = true;
}
else 
if (field[26].checked == false) {
for (i = 27; i <= 29; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[26].checked = false;
}
}

function checkMetro8(field, i) {
if (i == 30) { 
if (field[30].checked == true) {
for (i = 31; i <= 33; i++)
field[i].checked = true;
}
else 
if (field[30].checked == false) {
for (i = 31; i <= 33; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[30].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 -->