<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 79; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 79; 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 <= 9; i++)
field[i].checked = true;
}
else 
if (field[1].checked == false) {
for (i = 2; i <= 9; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[1].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 10) { 
if (field[10].checked == true) {
for (i = 11; i <= 15; i++)
field[i].checked = true;
}
else 
if (field[10].checked == false) {
for (i =11 ; i <= 15; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[10].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 16) { 
if (field[16].checked == true) {
for (i = 17; i <= 27; i++)
field[i].checked = true;
}
else 
if (field[16].checked == false) {
for (i = 17; i <= 27; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[16].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 28) { 
if (field[28].checked == true) {
for (i = 29; i <= 40; i++)
field[i].checked = true;
}
else 
if (field[28].checked == false) {
for (i = 29; i <= 40; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[28].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 41) { 
if (field[41].checked == true) {
for (i = 42; i <= 50; i++)
field[i].checked = true;
}
else 
if (field[41].checked == false) {
for (i = 42; i <= 50; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[41].checked = false;
}
}
function checkMetro6(field, i) {
if (i == 51) { 
if (field[51].checked == true) {
for (i = 52; i <= 62; i++)
field[i].checked = true;
}
else 
if (field[51].checked == false) {
for (i = 52; i <= 62; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[51].checked = false;
}
}
function checkMetro7(field, i) {
if (i == 63) { 
if (field[63].checked == true) {
for (i = 64; i <= 71; i++)
field[i].checked = true;
}
else 
if (field[63].checked == false) {
for (i = 64; i <= 71; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[63].checked = false;
}
}
function checkMetro8(field, i) {
if (i == 72) { 
if (field[72].checked == true) {
for (i = 73; i <= 79; i++)
field[i].checked = true;
}
else 
if (field[72].checked == false) {
for (i = 73; i <= 79; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[72].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 -->