var theTime;
theTime=new Date();
var mSec;
mSec=theTime.getMilliseconds();
var imgnum=Math.ceil(mSec/100);
if (imgnum==0) imgnum=1;
if (imgnum==10) imgnum=9;
var imgName="../images/main_rotate"+imgnum+".jpg";
document.write("<img src='"+imgName+"' id='MainPerson'>");