/* ----- play.js ----- */
function play() 
{ 
  document.getElementById("playAudio").innerHTML = '';
  document.getElementById("playAudio").innerHTML='<EMBED SRC= captchaSonoro.mp3?string='+randomString()+' HIDDEN="true" AUTOSTART="true" MASTERSOUND/>';

  document.getElementById("__ac_captcha").value="";
  document.getElementById("__ac_captcha").focus();

} 

function randomString() {
	var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
	var string_length = 8;
	var randomstring = '';
	for (var i=0; i<string_length; i++) {
		var rnum = Math.floor(Math.random() * chars.length);
		randomstring += chars.substring(rnum,rnum+1);
	}
	return randomstring;
}