// 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/mse_cover01.jpg",
	 "../images/mse_cover03.jpg",
	 "../images/mse_cover05.jpg",
	 "../images/mse_cover07.jpg",
	 "../images/mse_cover09.jpg",
	 "../images/mse_cover11.jpg",
	 "../images/mse_cover13.jpg",
	 "../images/mse_cover15.jpg",
	 "../images/mse_cover17.jpg",
	 "../images/mse_cover19.jpg",
	 "../images/mse_cover21.jpg",
	 "../images/mse_cover23.jpg",
	 "../images/mse_cover25.jpg",
	 "../images/mse_cover27.jpg",
	 "../images/mse_cover29.jpg",
	 "../images/mse_cover31.jpg",
	 "../images/mse_cover33.jpg",
	 "../images/mse_cover35.jpg",
	 "../images/mse_cover37.jpg",
	 "../images/mse_cover39.jpg",
	 "../images/mse_cover41.jpg",
	 "../images/mse_cover43.jpg",
	 "../images/mse_cover45.jpg",
	 "../images/mse_cover47.jpg",
	 "../images/mse_cover49.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/212843865?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/227929381?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/191242666?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/286432282?referer=list_view",
	 "http://berkeley.worldcat.org/oclc/229019265?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/262720626?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/245558989?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/262720968?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/260202268?referer=list_view",
	 	"http://berkeley.worldcat.org/oclc/166378357?referer=list_view",
	 		"http://berkeley.worldcat.org/oclc/174131485?referer=list_view",
	 		"http://berkeley.worldcat.org/oclc/191241345?referer=list_view",
	 		"http://berkeley.worldcat.org/oclc/176919715?referer=list_view",
	 		"http://berkeley.worldcat.org/oclc/244339580?referer=list_view",
	 		"http://berkeley.worldcat.org/oclc/229464249?referer=list_view",
	 			"http://berkeley.worldcat.org/oclc/191658599?referer=list_view",
	 			"http://berkeley.worldcat.org/oclc/228701300?referer=list_view",
	 			"http://berkeley.worldcat.org/oclc/236117432?referer=list_view",
	 			"http://berkeley.worldcat.org/oclc/226361911?referer=list_view",
	 			"http://berkeley.worldcat.org/oclc/248539177?referer=list_view",
	 				"http://berkeley.worldcat.org/oclc/229031605?referer=list_view",
	 				"http://berkeley.worldcat.org/oclc/248979790?referer=list_view",
	 				"http://berkeley.worldcat.org/oclc/308158147?referer=list_view",
	 				"http://berkeley.worldcat.org/oclc/246895380?referer=list_view",
	 				"http://berkeley.worldcat.org/oclc/316736726?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>');
}