var howMany = 3
var advt = new Array(howMany+1)
advt[0]="<a href='http://www.4to40.com' target='_blank'><img src='http://www.Cars4Indians.com/images/common/blank.gif' border=0 hspace=2></a>"
advt[1]="<a href='http://www.2Classnotes.com' target='_blank'><img src='http://www.Cars4Indians.com/images/common/blank.gif' border=0 hspace=2></a>"
advt[2]="<a href='http://www.2Exhibitions.com/' target='_blank'><img src='http://www.Cars4Indians.com/images/common/blank.gif' border=0 hspace=2></a>"
advt[3]="<a href='http://www.Cars4Indians.com' target='_blank'><img src='http://www.Cars4Indians.com/images/common/blank.gif' border=0 hspace=2></a>"
function rndnumberadvt(){
var randscript = -1
while (randscript < 0 || randscript > howMany || isNaN(randscript)){
randscript = parseInt(Math.random()*(howMany+1))
}
return randscript
}
quoadvt = rndnumberadvt()
quoxadvt = advt[quoadvt]
document.write(quoxadvt)