<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 101; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 101; 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 <= 4; i++)
field[i].checked = true;
}
else 
if (field[1].checked == false) {
for (i = 2; i <= 4; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[1].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 5) { 
if (field[5].checked == true) {
for (i = 6; i <= 21; i++)
field[i].checked = true;
}
else 
if (field[5].checked == false) {
for (i = 6; i <= 21; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[5].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 22) { 
if (field[22].checked == true) {
for (i = 23; i <= 33; i++)
field[i].checked = true;
}
else 
if (field[22].checked == false) {
for (i = 23; i <= 33; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[22].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 34) { 
if (field[34].checked == true) {
for (i = 35; i <= 47; i++)
field[i].checked = true;
}
else 
if (field[34].checked == false) {
for (i = 35; i <= 47; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[34].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 48) { 
if (field[48].checked == true) {
for (i = 49; i <= 59; i++)
field[i].checked = true;
}
else 
if (field[48].checked == false) {
for (i = 49; i <= 59; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[48].checked = false;
}
}
function checkMetro6(field, i) {
if (i == 60) { 
if (field[60].checked == true) {
for (i = 61; i <= 66; i++)
field[i].checked = true;
}
else 
if (field[60].checked == false) {
for (i = 61; i <= 66; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[60].checked = false;
}
}
function checkMetro7(field, i) {
if (i == 67) { 
if (field[67].checked == true) {
for (i = 68; i <= 101; i++)
field[i].checked = true;
}
else 
if (field[67].checked == false) {
for (i = 68; i <= 101; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[67].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 -->