<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 24; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 24; 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 <= 13; i++)
field[i].checked = true;
}
else 
if (field[6].checked == false) {
for (i =7 ; i <= 13; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[6].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 14) { 
if (field[14].checked == true) {
for (i = 15; i <= 18; i++)
field[i].checked = true;
}
else 
if (field[14].checked == false) {
for (i = 15; i <= 18; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[14].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 19) { 
if (field[19].checked == true) {
for (i = 20; i <= 22; i++)
field[i].checked = true;
}
else 
if (field[19].checked == false) {
for (i = 20; i <= 22; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[19].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 -->