function getPathVariable(variable) {
var path = location.pathname;
// just for the demo, lets pretend the path is this...
path = '/images/awesome.jpg/page/about';
// ^-- take this line out for your own version.
var parts = path.substr(1).split('/'), value;
while(parts.length) {
if (parts.shift() === variable) value = parts.shift();
else parts.shift();
}
return value;
}
console.log(getPathVariable('page'));