var grid="BARKINGSIDEELADNILOCETAGDLABERMONDSEYUMBBARBICANKOORBSERANSHDOOWYELROHCARSENALYBRKNIGHTSBRIDGECDARLPQGSNODGNIRRAFQPMUAEABWESTMINSTERMGEBCADDMONTCOCKFOSTERSKSEGDHILLINGDONRDSRFTBPWISOUTHFIELDSHERCDGPANAIDIGITALDANIOEVOIRGBAYSWATERMNATNHKANETBECONTREEUREDBRIDGEONOTREPLAGSDLEIFHTRONGREENFORDWHITECHAPEL";
var w = new Array();
var x = new Array();
var y = new Array();
var xmax = 20;
var ymax = 15;
var nam = "London Tube Stations";
var j=-1;
j++;w[j]="ALDGATE";x[j]=7;y[j]=2;
j++;w[j]="ALPERTON";x[j]=8;y[j]=14;
j++;w[j]="AMERSHAM";x[j]=17;y[j]=5;
j++;w[j]="ARSENAL";x[j]=12;y[j]=4;
j++;w[j]="BARBICAN";x[j]=1;y[j]=3;
j++;w[j]="BARKINGSIDE";x[j]=1;y[j]=1;
j++;w[j]="BAYSWATER";x[j]=1;y[j]=12;
j++;w[j]="BECONTREE";x[j]=1;y[j]=13;
j++;w[j]="BERMONDSEY";x[j]=8;y[j]=2;
j++;w[j]="BLACKFRIARS";x[j]=20;y[j]=4;
j++;w[j]="CHORLEYWOOD";x[j]=11;y[j]=4;
j++;w[j]="COCKFOSTERS";x[j]=5;y[j]=8;
j++;w[j]="COLINDALE";x[j]=20;y[j]=1;
j++;w[j]="DEBDEN";x[j]=19;y[j]=7;
j++;w[j]="EASTCOTE";x[j]=19;y[j]=6;
j++;w[j]="EDGWARE";x[j]=19;y[j]=6;
j++;w[j]="EPPING";x[j]=18;y[j]=8;
j++;w[j]="FARRINGDON";x[j]=13;y[j]=6;
j++;w[j]="GREENFORD";x[j]=1;y[j]=15;
j++;w[j]="GUNNERSBURY";x[j]=9;y[j]=14;
j++;w[j]="HILLINGDON";x[j]=1;y[j]=9;
j++;w[j]="KNIGHTSBRIDGE";x[j]=2;y[j]=5;
j++;w[j]="NORTHFIELDS";x[j]=20;y[j]=14;
j++;w[j]="PADDINGTON";x[j]=20;y[j]=5;
j++;w[j]="REDBRIDGE";x[j]=11;y[j]=13;
j++;w[j]="SNARESBROOK";x[j]=19;y[j]=3;
j++;w[j]="SOUTHFIELDS";x[j]=1;y[j]=10;
j++;w[j]="WESTMINSTER";x[j]=2;y[j]=7;
j++;w[j]="WHITECHAPEL";x[j]=10;y[j]=15;