if(BrowserDetect.browser == "Firefox" && BrowserDetect.OS =="Mac")
{
   document.write("<img src='images/"+Math.floor(Math.random() * 5)+".jpg' border='0' />");
}
else
{
   var so = new SWFObject("XMLSlideshow.swf", "mymovie", "980", "560", "7", "#ffffff");
   so.addParam("quality", "high");
   so.addParam("wmode", "transparent");
   so.addParam("salign", "t");
   so.write("flashcontent");
}