var rand_no = Math.floor((4-0)*Math.random()) + 1;

var flashvars = {};
var params = {};
params.menu = "false";
params.bgcolor = "#808080";
params.allowfullscreen = "false";
params.allowscriptaccess = "always";
var attributes = {};
attributes.align = "left";
swfobject.embedSWF("audioplay.swf?playerid=" + rand_no, "sound", "17", "17", "9", "", flashvars, params, attributes);