<!-- Begin
function checkMetro(field, i) {

if (i == 0) { //All areas.
if (field[0].checked == true) {
for (i = 1; i <= 92; i++)
field[i].checked = true;
}
else 
if (field[0].checked == false) {
for (i = 1; i <= 92; 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 <= 6; i++)
field[i].checked = true;
}
else 
if (field[1].checked == false) {
for (i = 2; i <= 6; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[1].checked = false;
}
}
function checkMetro2(field, i) {
if (i == 7) { 
if (field[7].checked == true) {
for (i = 8; i <= 9; i++)
field[i].checked = true;
}
else 
if (field[7].checked == false) {
for (i =8 ; i <= 9; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[7].checked = false;
}
}
function checkMetro3(field, i) {
if (i == 10) { 
if (field[10].checked == true) {
for (i = 11; i <= 14; i++)
field[i].checked = true;
}
else 
if (field[10].checked == false) {
for (i = 11; i <= 14; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[10].checked = false;
}
}

function checkMetro4(field, i) {
if (i == 15) { 
if (field[15].checked == true) {
for (i = 16; i <= 29; i++)
field[i].checked = true;
}
else 
if (field[15].checked == false) {
for (i = 16; i <= 29; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[15].checked = false;
}
}
function checkMetro5(field, i) {
if (i == 30) { 
if (field[30].checked == true) {
for (i = 31; i <= 33; i++)
field[i].checked = true;
}
else 
if (field[30].checked == false) {
for (i = 31; i <= 33; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[30].checked = false;
}
}
function checkMetro6(field, i) {
if (i == 34) { 
if (field[34].checked == true) {
for (i = 35; i <= 40; i++)
field[i].checked = true;
}
else 
if (field[34].checked == false) {
for (i = 35; i <= 40; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[34].checked = false;
}
}
function checkMetro7(field, i) {
if (i == 41) { 
if (field[41].checked == true) {
for (i = 42; i <= 51; i++)
field[i].checked = true;
}
else 
if (field[41].checked == false) {
for (i = 42; i <= 51; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[41].checked = false;
}
}
function checkMetro8(field, i) {
if (i == 52) { 
if (field[52].checked == true) {
for (i = 53; i <= 77; i++)
field[i].checked = true;
}
else 
if (field[52].checked == false) {
for (i = 53; i <= 77; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[52].checked = false;
}
}
function checkMetro9(field, i) {
if (i == 78) { 
if (field[78].checked == true) {
for (i = 79; i <= 85; i++)
field[i].checked = true;
}
else 
if (field[78].checked == false) {
for (i = 79; i <= 85; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[78].checked = false;
}
}
function checkMetro10(field, i) {
if (i == 86) { 
if (field[86].checked == true) {
for (i = 87; i <= 92; i++)
field[i].checked = true;
}
else 
if (field[86].checked == false) {
for (i = 87; i <= 92; i++)
field[i].checked = false;
field[0].checked = false;
    }
  }
else{
field[0].checked = false;
field[86].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 -->