Exercise 5
Use document.write to output an image tag with a real image to the page.
When you're done, try writing a JavaScript function to display a random
image from the following list of images. HINT: You can access individual
images using the table index. Images[0] for example contains the url: "http://farm4.staticflickr.com/3691/11268502654_f28f05966c_m.jpg".
var images =[
"http://farm4.staticflickr.com/3691/11268502654_f28f05966c_m.jpg",
"http://farm1.staticflickr.com/33/45336904_1aef569b30_n.jpg",
"http://farm6.staticflickr.com/5211/5384592886_80a512e2c9.jpg"
];