var iRndm=Math.floor(Math.random()*10%4);
if (iRndm == 0)
{
iRndm = 4;
}
var imageName = "img/home_tower"+iRndm+".swf";
changeFlash(imageName);
function changeFlash(imageName)
{
  var objectHolder = '<object id="objectId" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://active.macromedia.com/flash2/cabs/swflash.cab#version=4,0,0,0" id="flash" width="760" height="584"><param name="movie" value="'+imageName+ '"><param name="quality" value="high"><param name="bgcolor" value="FFFFFF"><embed src="'+imageName+'" quality="high" bgcolor="FFFFFF" width="760" height="584" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></embed></object>';
  objectId.outerHTML = objectHolder;
}