var casper = require('casper').create();

casper.start("http://www.google.com");

function runCode() {

    console.log("in runcode");

    casper.then(function(){
        if (true){
            console.log("about to invoke setTimeout function");
            setTimeout(runCode, 1000);
        }
    });
    //casper.then(function(){
    //  casper.wait(4000);
    //})
    casper.wait(4000);
}

casper.then(function(){
    runCode();
});

casper.run();