Add media player pro grammatically

if (navigator.appName == "Microsoft Internet Explorer")
var str = "<embed name='iewavpreview' id='iewavpreview' src='" + data + "' autostart='false' style='margin:0px; height:20px;'>";
else
var str = "<audio name='iewavpreview' id='iewavpreview' src='" + data + "' autoplay='false' controls='controls' style='margin:0px; height:20px;'>";
$("p#audio_control").html(str);
if (btn_value == 'STOP') {
if (navigator.appName == "Microsoft Internet Explorer")
document.getElementById('iewavpreview').stop();
else
document.getElementById('iewavpreview').pause();
$a.text("PLAY");
} else {
$a.text("STOP");
document.getElementById('iewavpreview').play();
}