$(document).ready( function(){
window.percent = 0;
window.progressInterval = window.setInterval( function(){
if(window.percent < 88) {
window.percent++;
$('.progress').addClass('progress-striped').addClass('active');
$('.progress .progress-bar:first').removeClass().addClass('progress-bar')
.addClass ( (percent < 40) ? 'progress-bar-danger' : ( (percent < 80) ? 'progress-bar-warning' : 'progress-bar-success' ) ) ;
$('.progress .progress-bar:first').width(window.percent+'%');
$('.progress .progress-bar:first').text(window.percent+'%');
} else {
window.clearInterval(window.progressInterval);
}
}, 100 );
});