Javascript continents and countries associated

gistfile1.js

var world = {"Africa":["Algeria","Angola","Benin","Botswana","Burkina","Burundi","Cameroon","Cape Verde","Central African Republic","Chad","Comoros","Congo","Djibouti","Egypt","Equatorial Guinea","Eritrea","Ethiopia","Gabon","Gambia","Ghana","Guinea","Guinea-Bissau","Ivory Coast","Kenya","Lesotho","Liberia","Libya","Madagascar","Malawi","Mali","Mauritania","Mauritius","Morocco","Mozambique","Namibia","Niger","Nigeria","Rwanda","Sao Tome and Principe","Senegal","Seychelles","Sierra Leone","Somalia","South Africa","South Sudan","Sudan","Swaziland","Tanzania","Togo","Tunisia","Uganda","Zambia","Zimbabwe"],
"Asia":["Afghanistan","Bahrain","Bangladesh","Bhutan","Brunei","Burma","Cambodia","China","East Timor","India","Indonesia","Iran","Iraq","Israel","Japan","Jordan","Kazakhstan","North Korea","South Korea","Kuwait","Kyrgyzstan","Laos","Lebanon","Malaysia","Maldives","Mongolia","Nepal","Oman","Pakistan","Philippines","Qatar","Russian Federation","Saudi Arabia","Singapore","Sri Lanka","Syria","Tajikistan","Thailand","Turkey","Turkmenistan","United Arab Emirates","Uzbekistan","Vietnam","Yemen"],
"Europe":["Albania","Andorra","Armenia","Austria","Azerbaijan","Belarus","Belgium","Bosnia and Herzegovina","Bulgaria","Croatia","Cyprus","Czech Republic","Denmark","Estonia","Finland","France","Georgia","Germany","Greece","Hungary","Iceland","Ireland","Italy","Latvia","Liechtenstein","Lithuania","Luxembourg","Macedonia","Malta","Moldova","Monaco","Montenegro","Netherlands","Norway","Poland","Portugal","Romania","San Marino","Serbia","Slovakia","Slovenia","Spain","Sweden","Switzerland","Ukraine","United Kingdom","Vatican City"],
"North America":["Antigua and Barbuda","Bahamas","Barbados","Belize","Canada","Costa Rica","Cuba","Dominica","Dominican Republic","El Salvador","Grenada","Guatemala","Haiti","Honduras","Jamaica","Mexico","Nicaragua","Panama","Saint Kitts and Nevis","Saint Lucia","Saint Vincent and the Grenadines","Trinidad and Tobago","United States"],
"Australia":["Australia","Fiji","Kiribati","Marshall Islands","Micronesia","Nauru","New Zealand","Palau","Papua New Guinea","Samoa","Solomon Islands","Tonga","Tuvalu","Vanuatu"],
"South America":["Argentina","Bolivia","Brazil","Chile","Colombia","Ecuador","Guyana","Paraguay","Peru","Suriname","Uruguay","Venezuela"]}