<!-- 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 <= 5; i++)
field[i].checked = true;
}
else 
if (field[1].checked == false) {
for (i = 2; i <= 5; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[1].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 6) { 
if (field[6].checked == true) {
for (i = 7; i <= 17; i++)
field[i].checked = true;
}
else 
if (field[6].checked == false) {
for (i =7 ; i <= 17; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[6].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 18) { 
if (field[18].checked == true) {
for (i = 19; i <= 21; i++)
field[i].checked = true;
}
else 
if (field[18].checked == false) {
for (i = 19; i <= 21; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[18].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 22) { 
if (field[22].checked == true) {
for (i = 23; i <= 30; i++)
field[i].checked = true;
}
else 
if (field[22].checked == false) {
for (i = 23; i <= 30; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[22].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 31) { 
if (field[31].checked == true) {
for (i = 32; i <= 34; i++)
field[i].checked = true;
}
else 
if (field[31].checked == false) {
for (i = 32; i <= 34; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[31].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 -->