// Set up the image files to be used for the first book cover.
cover1 = new Array
// To add more cover images, continue with the pattern below, adding to the array.
	("../images/ee_cover01.jpg",
	 "../images/ee_cover02.jpg",
	 "../images/ee_cover03.jpg",
	 "../images/ee_cover04.jpg",
	 "../images/ee_cover05.jpg",
	 "../images/ee_cover06.jpg",
	 "../images/ee_cover07.jpg",
	 "../images/ee_cover08.jpg",
	 "../images/ee_cover09.jpg",
	 "../images/ee_cover10.jpg",
	 "../images/ee_cover11.jpg",
	 "../images/ee_cover12.jpg",
	 "../images/ee_cover13.jpg",
	 "../images/ee_cover14.jpg",
	 "../images/ee_cover15.jpg",
	 "../images/ee_cover16.jpg",
	 "../images/ee_cover17.jpg",
	 "../images/ee_cover18.jpg",
	 "../images/ee_cover19.jpg",
	 "../images/ee_cover20.jpg",
	 "../images/ee_cover21.jpg",
	 "../images/ee_cover22.jpg",
	 "../images/ee_cover23.jpg",
	 "../images/ee_cover24.jpg",
	 "../images/ee_cover25.jpg",
	 "../images/ee_cover26.jpg",
	 "../images/ee_cover27.jpg",
	 "../images/ee_cover28.jpg",
	 "../images/ee_cover29.jpg",
	 "../images/ee_cover30.jpg",
	 "../images/ee_cover31.jpg",
	 "../images/ee_cover32.jpg",
	 "../images/ee_cover33.jpg",
	 "../images/ee_cover34.jpg",
	 "../images/ee_cover35.jpg",
	 "../images/ee_cover36.jpg",
	 "../images/ee_cover37.jpg",
	 "../images/ee_cover38.jpg",
	 "../images/ee_cover39.jpg",
	 "../images/ee_cover40.jpg",
	 "../images/ee_cover41.jpg",
	 "../images/ee_cover42.jpg",
	 "../images/ee_cover43.jpg",
	 "../images/ee_cover44.jpg",
	 "../images/ee_cover45.jpg",
	 "../images/ee_cover46.jpg",
	 "../images/ee_cover47.jpg",
	 "../images/ee_cover48.jpg",
	 "../images/ee_cover49.jpg",
	 "../images/ee_cover50.jpg")

// Set up the links to the first set of books.
// The first link in the array matches the first cover listed in the book cover array, etc.
link1 = new Array
	("http://berkeley.worldcat.org/oclc/230180542?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/391338977?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/298597847?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/221147648?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/297147100?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/312626529?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/166382259?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/232130711?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/244648058?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/268957354?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/277068479?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/297405429?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/262719141?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/209802322?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/300964949?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/314114100?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/263065338?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/299711039?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/276228974?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/244653078?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/300407980?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/286434601?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/301885689?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/320436448?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/316009726?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/319499981?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/230181061?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/246887683?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/314113015?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/310400178?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/258080787?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/318668547?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/221153195?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/276645741?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/307254338?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/294998391?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/227032783?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/299281425?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/262888420?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/277205890?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/261924797?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/286432327?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/237048370?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/419263300?referer=list_view",
		"http://berkeley.worldcat.org/oclc/247442184?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/154804576?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/244060497?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/179799819?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/310153835?referer=list_view",
		"http://berkeley.worldcat.org/oclc/280396316?referer=list_view")

// This sets a counter to the total number of items in each of the two arrays.
// The value of the counter is used by the random number generator.
imgCt1 = cover1.length;

/* This function selects a random number to determine which book cover image
will be displayed, and the corresponding link to the book is activated.   */
function showImage1(){
	if (document.images) {    // if the document can handle images (it can)
	randomNum1 = Math.floor ((Math.random() * imgCt1))   // This is the random number generator
	}
// the XHTML is generated (book cover #1 with active link to the full text)
document.write('<a href="'+link1[randomNum1]+'"><img src="'+cover1[randomNum1]+'"></a>');
}