Call Now Button $(document).ready(function(){
initControls();
});function initControls(){
window.location.hash="red";
window.location.hash="Red" //chrome
window.onhashchange=function(){window.location.hash="red";}
}window.location.hash="no-back-button";
window.location.hash="Again-No-back-button";//esta linea es necesaria para chrome
window.onhashchange=function(){window.location.hash="no-back-button";}
Video demostrándolo
