function isIE() { ua = navigator.userAgent; /* MSIE used to detect old browsers and Trident used to newer ones*/ var is_ie = ua.indexOf("MSIE ") > -1 || ua.indexOf("Trident/") > -1; return is_ie; } /* Create an alert to show if the browser is IE or not */ if (isIE()){ alert('Imperial County Website does not support Internet Explorer, please use a different browser, we recomend Google Chrome \n \n Este sitio web no se ejecuta correctamente en Internet Explorer, por favor utilice otro explorador, recomendamos Google Chrome'); }