var cookies = document.cookie.split("; ");
var navies = new Array("area","option");

document.write('<style type="text/css">\n<!--\n');

for (var j = 0; j < navies.length; j++) {
document.write('div#navi dl.' + navies[j] + ' dd{display:none;}\n');
}

for (var i = 0; i < cookies.length; i++) {
var str = cookies[i].split("=");
for (var j = 0; j < navies.length; j++) {
if(str[0] == navies[j] + '_format' && str[1] == 1){
document.write('div#navi dl.' + navies[j] + ' dd{display:block;}\n');
}
}
}

document.write('-->\n</style>\n');

for (var i = 0; i < cookies.length; i++) {
var str = cookies[i].split("=");
if (str[0] == 'map_format' && str[1] == 0) {
document.write('<link href="head.css" rel="stylesheet" type="text/css" media="all">\n');
}
}