// Create arrays to contain all the values 
// for links and image locations
link = new Array
image = new Array

link[1]="sm-mrktng.html"
image[1]="images/homepage_hyperlinked/smm-header.jpg"

link[2]="webStrategy.html"
image[2]="images/homepage_hyperlinked/webStrategy-header.jpg"

link[3]="research-analytics.html"
image[3]="images/homepage_hyperlinked/r&a-header.jpg"

// Create a random number between 1 and three
random_num = (Math.round((Math.random()*2)+1))


// Write a link and images with random array
document.write("<a href=\"" + link[random_num] + "\">");
document.write("<img src=\"" + image[random_num] + "\" border=\"0\"></a>");