function pickRandomImagery(school,numAvail)
{
var numOfLogos = 5;
var numOfMastheads = 10;
var randomLogo = Math.ceil(Math.random()*(numOfLogos));
var randomMasthead = Math.ceil(Math.random()*(numOfMastheads));
// display.
var updateHTML = '
';
updateHTML += '
';
document.write(updateHTML);
}