Alert Dialog
<HTML> <HEAD> <SCRIPT language="JavaScript"> <!-- window.alert("navigator.appName: "+navigator.appName); var hasJava= navigator.javaEnabled() if (hasJava==true) window.alert("You have Java enabled."); else window.alert("No Java?"); window.alert("You are using "+navigator.platform); //--> </SCRIPT> </HEAD> <BODY> </BODY> </HTML>