function getRandom(n) {
  return Math.floor(Math.random()*n);
}

function loadMovie(prefix, w, h, v) {
  var so = new SWFObject(prefix + (getRandom(2)+1) + ".swf", "swfMovie", w, h, v, "#FFFFFF");
  so.addVariable("quality", "high");
  so.addParam("wmode","transparent");
  so.write("flashMovie");
}

function writeFlash(prefix) {
	var flash = "";
	flash+="    <object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0' width='800' height='112'>";
	flash+="     <param name='movie' value='" + prefix + (getRandom(2)+1) + ".swf'>";
	flash+="     <param name='quality' value='high'>";
	flash+="     <embed src='" + prefix + (getRandom(2)+1)+ ".swf' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='800' height='112'>";
	flash+="     </embed>";
	flash+="    </object>";
	document.write(flash);
}