Trigger native window of browser

native-window.js

$(function(){
    var submitted = false;
//links having the below class will not trigger native widow
    $(".cancel_submit").live('click',function (e){
        submitted=true;
    });
    window.onkeydown = function(e){
        var key = e.keyCode ? e.keyCode : e.charCode ? e.charCode : false;
        if (((e.ctrlKey || e.metaKey)&&key==82 )||key==116)
        {
            submitted=true;
        }
    }

    window.onbeforeunload = function()
    {
        if(!submitted)
        {
            // the string below will be displyed only in certain browsers, and others will display its own text
            str = "Closing your browser window will cancel your loan application\nA new application on another site may result in additional credit checks that can impact your ability to get a loan.";
            return str;
        }
                submitted=false;
    }

});

NOTE: You cant write an event listener for the buttons in this window for security reasons