<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 70; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 70; 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 <= 8; i++)
field[i].checked = true;
}
else 
if (field[6].checked == false) {
for (i =7 ; i <= 8; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[6].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 9) { 
if (field[9].checked == true) {
for (i = 10; i <= 10; i++)
field[i].checked = true;
}
else 
if (field[9].checked == false) {
for (i = 10; i <= 10; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[9].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 11) { 
if (field[11].checked == true) {
for (i = 12; i <= 16; i++)
field[i].checked = true;
}
else 
if (field[11].checked == false) {
for (i = 11; i <= 16; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[11].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 17) { 
if (field[17].checked == true) {
for (i = 18; i <= 26; i++)
field[i].checked = true;
}
else 
if (field[17].checked == false) {
for (i = 18; i <= 26; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[17].checked = false;
}
}
function checkMetro6(field, i) {
if (i == 27) { 
if (field[27].checked == true) {
for (i = 28; i <= 36; i++)
field[i].checked = true;
}
else 
if (field[27].checked == false) {
for (i = 28; i <= 36; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[27].checked = false;
}
}
function checkMetro7(field, i) {
if (i == 37) { 
if (field[37].checked == true) {
for (i = 38; i <= 42; i++)
field[i].checked = true;
}
else 
if (field[37].checked == false) {
for (i = 38; i <= 42; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[37].checked = false;
}
}
function checkMetro8(field, i) {
if (i == 43) { 
if (field[43].checked == true) {
for (i = 44; i <= 48; i++)
field[i].checked = true;
}
else 
if (field[43].checked == false) {
for (i = 44; i <= 48; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[43].checked = false;
}
}
function checkMetro9(field, i) {
if (i == 49) { 
if (field[49].checked == true) {
for (i = 50; i <= 52; i++)
field[i].checked = true;
}
else 
if (field[49].checked == false) {
for (i = 50; i <= 52; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[49].checked = false;
}
}
function checkMetro10(field, i) {
if (i == 53) { 
if (field[53].checked == true) {
for (i = 54; i <= 58; i++)
field[i].checked = true;
}
else 
if (field[53].checked == false) {
for (i = 54; i <= 58; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[53].checked = false;
}
}
function checkMetro11(field, i) {
if (i == 59) { 
if (field[59].checked == true) {
for (i = 60; i <= 63; i++)
field[i].checked = true;
}
else 
if (field[59].checked == false) {
for (i = 60; i <= 63; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[59].checked = false;
}
}
function checkMetro12(field, i) {
if (i == 64) { 
if (field[64].checked == true) {
for (i = 65; i <= 70; i++)
field[i].checked = true;
}
else 
if (field[64].checked == false) {
for (i = 65; i <= 70; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[64].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 -->