mainPics = 5;

// Generate random numbers.
//mainPic = Math.floor(Math.random()*mainPics.length);
mainPic = Math.floor(Math.random()*mainPics);

// Assemble the image elements.
mainImage = document.createElement('img');
mainImage.src = '/images/tertiary/main-pic/'+mainPic+'.jpg';
//mainImage.alt = mainPics[mainPic];
mainImage.alt = "A candid picture from around the UW-Washington County campus";
mainImage.title = mainImage.alt;
mainImage.height = '125';
mainImage.width = '240';
mainImage.border = '0';