Math.randomInt = function(vHiNum, vLowNum){
	return Math.floor((vHiNum - vLowNum + 1) * Math.random()) + vLowNum;
};

var vFileName = "set" + Math.randomInt(4, 1) + ".swf";
var oeTags = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0"'
	+ 'width="780" height="185" VIEWASTEXT>'
	+ '<param name="movie" value="/Flash/' + vFileName + '">'
	+ '<param name="quality" value="high">'
	+ '<embed src="/Flash/' + vFileName + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer"'
	+ 'type="application/x-shockwave-flash" width="780" height="185"></embed>'
	+ '</object>';
document.write(oeTags);   // embed the flash movie