function icons()
{
//3
var ranNum= Math.round(Math.random() * 3);
if (ranNum == 0){document.write('<img src="http://www.diseasesfinder.com/articles/images/health728.jpg" border=0>'); } // icon1
if (ranNum == 1){document.write('<img src="http://www.diseasesfinder.com/articles/images/health728a.jpg" border=0>'); } // icon2
if (ranNum == 2){document.write('<img src="http://www.diseasesfinder.com/articles/images/health728b.jpg" border=0>'); } // icon3
if (ranNum == 3){document.write('<img src="http://www.diseasesfinder.com/articles/images/health728.jpg" border=0>'); } // icon4
}