function ropic() {
number = Math.floor(Math.random()*6)
if (number==0)
document.write('<a href="#"><img src="images/hbcu1.jpg" width="762" height="275" border="0" alt="Picture1"></a>')
if (number==1)
document.write('<a href="#"><img src="images/hbcu2.jpg" width="762" height="275" border="0" alt="Picture2"></a>')
if (number==2)
document.write('<a href="#"><img src="images/hbcu3.jpg" width="762" height="275" border="0" alt="Picture3"></a>')
if (number==3)
document.write('<a href="#"><img src="images/hbcu4.jpg" width="762" height="275" border="0" alt="Picture4"></a>')
if (number==4)
document.write('<a href="#"><img src="images/hbcu5.jpg" width="762" height="275" border="0" alt="Picture5"></a>')
if (number==5)
document.write('<a href="#"><img src="images/hbcu6.jpg" width="762" height="275" border="0" alt="Picture6"></a>')
}