function RandomNumber() 
{
  var today = new Date();
  var num= Math.abs(Math.sin(today.getTime()/1000));
  return num;
}

function RandomGraphicsTop(){
  var x = RandomNumber();


if (x > .88){
document.write('<a href="jobfair2010.asp"><img src="images/jobfair2010.gif" width="468" height="218" border="0"></a>'); return; 
}
if (x > .77){
document.write('<a href="jobfair2010.asp"><img src="images/jobfair2010.gif" width="468" height="218" border="0"></a>'); return; 
}
if (x > .66){
document.write('<img src="images/sign2.jpg" width="468" height="218">'); return; 
}
if (x > .55){
document.write('<img src="images/sign3.jpg" width="468" height="218">'); return; 
}
  if (x > .44){
document.write('<img src="images/sign4.jpg" width="468" height="218">'); return; 
}
  if (x > .33){
document.write('<img src="images/sign5.jpg" width="468" height="218">'); return; 
}
  if (x > .22){
document.write('<img src="images/sign6.jpg" width="468" height="218">'); return; 
}
  if (x > .11){
document.write('<img src="images/sign7.jpg" width="468" height="218">'); return; 
}
  if (x > 0){
document.write('<img src="images/sign8.jpg" width="468" height="218">'); return; 
}
}//FUNCTION
RandomGraphicsTop();