<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 71; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 71; 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 <= 8; i++)
field[i].checked = true;
}
else 
if (field[1].checked == false) {
for (i = 2; i <= 8; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[1].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 9) { 
if (field[9].checked == true) {
for (i = 10; i <= 15; i++)
field[i].checked = true;
}
else 
if (field[9].checked == false) {
for (i =10 ; i <= 15; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[9].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 16) { 
if (field[16].checked == true) {
for (i = 17; i <= 24; i++)
field[i].checked = true;
}
else 
if (field[16].checked == false) {
for (i = 17; i <= 24; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[16].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 25) { 
if (field[25].checked == true) {
for (i = 26; i <= 36; i++)
field[i].checked = true;
}
else 
if (field[25].checked == false) {
for (i = 26; i <= 36; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[25].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 37) { 
if (field[37].checked == true) {
for (i = 38; i <= 46; i++)
field[i].checked = true;
}
else 
if (field[37].checked == false) {
for (i = 38; i <= 46; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[37].checked = false;
}
}
function checkMetro6(field, i) {
if (i == 47) { 
if (field[47].checked == true) {
for (i = 48; i <= 50; i++)
field[i].checked = true;
}
else 
if (field[47].checked == false) {
for (i = 48; i <= 50; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[47].checked = false;
}
}
function checkMetro7(field, i) {
if (i == 51) { 
if (field[51].checked == true) {
for (i = 52; i <= 58; i++)
field[i].checked = true;
}
else 
if (field[51].checked == false) {
for (i = 52; i <= 58; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[51].checked = false;
}
}
function checkMetro8(field, i) {
if (i == 59) { 
if (field[59].checked == true) {
for (i = 60; i <= 65; i++)
field[i].checked = true;
}
else 
if (field[59].checked == false) {
for (i = 60; i <= 65; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[59].checked = false;
}
}
function checkMetro9(field, i) {
if (i == 66) { 
if (field[66].checked == true) {
for (i = 67; i <= 71; i++)
field[i].checked = true;
}
else 
if (field[66].checked == false) {
for (i = 67; i <= 71; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[66].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 -->