function MD_random(r1, r2) {
  if (r2 > r1) return (Math.round(Math.random()*(r2-r1))+r1);
  else return (Math.round(Math.random()*(r1-r2))+r2);
}

function MomentWithRuff() {
	mwr = MD_random(0,19);
	mwr_link = "moments/" + mwr + ".html"
    if (window.screen) {
        var myX = Math.round(Math.random()*(screen.availWidth-350)) + 25;
        var myY = Math.round(Math.random()*(screen.availHeight-350)) + 25;
    }
    var newWind = window.open(mwr_link,'mwr','scrollbars=no,statusbar=no,toolbar=no,menubar=no,locationbar=no,width=400,height=300,dependent=yes,screenx='+myX+',screeny='+myY+',left='+myX+',top='+myY);
    if (newWind) newWind.focus();
    return false;
}